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Bill
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Experience:  7 years experience tutoring economics and mathematics
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Equation & Inequlaties

Customer Question

Hello,
I need help could you tell me please that.


#1. Find the value of t in the equation t + 5 + 3t = 1.
A. 3 C. 6
B. 1.5 D.-1

#2. When Sharon began shopping this morning, she had $40.00. She purchased five paperback books and had lunch. The books were all the same price, and lunch cost $3.25. She now has $7.00 left over. What was the price of each of the books?
A. $5.95 C. $8.75
B. $6.60 D. $7.35

#3. There are two factories in the town of Lemming. Factory A has 4 times as many workers as Factory B. Factory A has 1,160 workers. How many workers does Factory B have?
A. 5,800 C. 1,450
B. 4,640 D. 290

#4. Find the value of x in the equation 9 - 4 x =57.

A. 16.5 C. 12
B. -16.5 D.-12

#5. Lori rented a car for one day. The daily rental rate was $12.50 plus 25 cents per mile. The total cost of her rental was $46. How many miles did she drive that day?
A. 46 miles C. 50 miles
B. 134 miles D. 96 miles

#6. Find the value of n in the equation 6.2 n- 3.7n = 85 + 45.
A. 13.13 C. 52
B. 16 D. 325

#7. Find the value of x in the equation 2(x - 3) + 5 x = 5(2 x+ 6).
A. 12 C. 2
B. -12 D.-2

#8. Pete traveled 1,380 miles in two days. The first day, he traveled 1.5 times as far as he did the second day. How far did he drive on the first day?
A. 552 miles C. 460 miles
B. 828 miles D. 920 miles

#9. Find the possible values of r in the inequality 5 >r - 3.
A .r = 2 C.r = 8
B.r< 2 D.r < 8

#10. Find the possible values of n in the inequality –3 n< 81.
A.n< 27 C.n> –27
B.n = 27 D.n = –27

#11. Find the possible values for s in the inequality 12s – 20 ≤50 – 3s – 25.
A. s ≤3 C. s ≤5/9
B. s ≤9 D. s ≤1/3

#12. The sum of two numbers is 13. Two times the first number minus three times the second number is XXXXX If you let x stand for the first number and y for the second number, what are the two numbers?
A. x = 8, y = 5 C. x = -8, y = -5
B. x = 5, y = 8 D. x = -5, y = -8

#13. Solve the system of equations 2x + 3y = 40 and -2x + 2y = 20.
A. x = 10, y = 20 C. x = 2, y = 12
B. x = -10, y = 20 D. x = -6, y = 4

#14. Solve the system of equations 2r + 2s = 50 and 2r - s = 17.
A. r = 14, s = 11 C. r = 25, s = 33
B. r = 3, s = 11 D. r = - 8, s = 33

#15. Solve the system of equations 3r - 4s = 0 and 2r + 5s = 23.
A. r = 12, s = 0 C. r = 4, s = 3
B. r = -12, s = 9 D. r = -1, s = -3

#16. One number is XXXXX to two times a second number. Two times the first number plus two times the second number is XXXXX If you let x stand for the first number and y for the second, what are the two numbers?
A. x = 8, y = 4 C. x = 24, y = 12
B. x = -24, y = -12 D. x = 12, y = 6

#17. Solve the system of equations 3y + 2z = 12 and y - z = 9.
A. y = -6, z = 15 C. y = 6, z = -3
B. y = 24, z = 15 D. y = 6, z = 15

#18. Sam took his family to the zoo. An adult’s ticket is two times the cost of a child's ticket. The total cost for two adult's tickets and three children's tickets was $28. How much do the tickets cost?
A. Child,s ticket = $4, adult's ticket = $8
B. Child's ticket = $2, adult's ticket = $4
C. Child's ticket = $5.60, adult's ticket = $11.20
D. Child's ticket = $7, adult's ticket = $14

#19. The system of equations 3x - 6y = 20 and 2x -4y = 3 is.
A. dependent. C. inconsistent.
B. consistent. D. independent.

#20. Jack cut a piece of wood that was 8 feet long into two pieces. One piece is three times as long as the other. How long is the shorter piece of wood?
A. 2 feet long C. 1 foot long
B. 4 feet long D. 3 feet long

Please help me and give me a chance for thanks.
Regard's
kim

Submitted: 11 years ago.
Category: Homework
Expert:  Bill replied 11 years ago.

1. D  -1


2. A. $5.95


3. D. 290


4. D.-12


5. B. 134 miles


6. C. 52


7. B. -12


8. A. 552 miles


9. D. r < 8


10. C. n> –27


11.  Not really sure as it is not showing up correctly in the post. If you could relist this question I could answer it for you.


12. A. x = 8, y = 5


13. C. x = 2, y = 12


14. A. r = 14, s = 11


15. C. r = 4, s = 3


16. A. x = 8, y = 4


17. y = 6, z = -3


18. A. Child,s ticket = $4, adult's ticket = $8


19. C. inconsistent


20. A. 2 feet long


 


If you could rewrite the question for number 11, I can get that answer to you as well. Thanks


 

Customer: replied 11 years ago.
Reply to Bill's Post: #11. Find the possible values for S in the inequality 12s - 20 less than or equal to 50 - 3s - 25.
A. S less than or equal to 3 C. S less than or equal to 5/9
B. S less than or equal to 9 D. S less than or equal to 1/3.

Ignore those boxes that have into the question .
that is copy past problem.
Thanks,
Regard's
kim
Expert:  Bill replied 11 years ago.

This is the equation I solved for, if it's incorrect, tell me.


15s - 20 ¡Ü 50 - 3s - 25


Solving this gives you s ¡Ü 3, which would be answer A. Is that the correct question?

 Also, I seem to have missread question number 8. The 552 miles is how far he traveled the second day. The first day he traveled 828 miles, making the correct answer B.  
Customer: replied 11 years ago.
I did it post again please solved it.
Expert:  Bill replied 11 years ago.

15s -20 <= 50-3s-25


15s <= 45


s <= 3


Answer is A.


And I made a correction to number 8 as well. The correct answer is B, 828 miles.


Hope that helps.

 
Customer: replied 11 years ago.
#11. That is incorrect question.
Correct question is.

#11. Find the possible values for s in the inequality 12s – 20 less than or equal to 50
-3s -25.
A. S less than or equal to 3
B. S less than or equal to 9
C. S less than or equal to 5/9
D. S less than or equal to 1/3

getting change the equal sign so, I write instead singn hopefully you got this.
Thanks
Expert:  Bill replied 11 years ago.
 

15s -20 less than or equal to 50-3s-25


15s less than or equal to 45


s less than or equal to 3


Answer is A, S less than or equal to 3.


 

Customer: replied 11 years ago.
Reply to Bill's Post: I am still waiting #.11 that is incorrect question.
Correct question is.

#11. Find the possible values for s in the inequality 12s – 20 less than or equal to 50
-3s-25?      
A. s less than or equal to 3
B. s less than or equal to 9
C. s less than or equal to 5/9
D. s less than or equal to 1/3

I have sign problem for this reason i write instead of sign .
Thanks
Expert:  Bill replied 11 years ago.
THIS ANSWER IS LOCKED!

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