For items 9-12: Joe and John are planning to paint a house together.. John thinks that if he worked alone, it would take him 3 times as long as it would take Joe to paint the entire house. Working together, they can complete the job in 24 hours. 9. What is the time it takes for John to complete the job? A. X С. х 1 В. Зх D. 3x 10. What is the work rate of Joe? A. 3x C. 1 В. 3x 1. D. + o x 3x we 11. What is the correct rational algebraic equation that can represent both Joe and John working together? 1 1 A. 1 C. 24 3x 3x 24 1 1 В. 3x 1 1 D.-+ 1 -- -- - 24 x 3x 24 12. How long would it take Joe to complete the job alone? A. 32 hours C. 72 hours D. 24 hours B. 96 hours 13. Three years ago, Aiko's age is one-half of the age she will be in 6 years. How old is she now? A. 12 years old B. 15 years old C. 18 years old D. 21 years old Il|| + B.
For items 9-12: Joe and John are planning to paint a house together.. John thinks that if he worked alone, it would take him 3 times as long as it would take Joe to paint the entire house. Working together, they can complete the job in 24 hours. 9. What is the time it takes for John to complete the job? A. X С. х 1 В. Зх D. 3x 10. What is the work rate of Joe? A. 3x C. 1 В. 3x 1. D. + o x 3x we 11. What is the correct rational algebraic equation that can represent both Joe and John working together? 1 1 A. 1 C. 24 3x 3x 24 1 1 В. 3x 1 1 D.-+ 1 -- -- - 24 x 3x 24 12. How long would it take Joe to complete the job alone? A. 32 hours C. 72 hours D. 24 hours B. 96 hours 13. Three years ago, Aiko's age is one-half of the age she will be in 6 years. How old is she now? A. 12 years old B. 15 years old C. 18 years old D. 21 years old Il|| + B.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Topic Video
Question
Transcribed Image Text:* 7.. What part of the job can be completed by Dianne after 5 hours?
A. x+5
В. х -5
D.
8. Which expression below represents the rate of Dianne and Agnes working together?
A. 4+x
1 1
С.
4.
1 1
D.
.4
В. х—4
For items 9-12: Joe and John are planning to paint a house together.. John thinks that
if he worked alone, it would take him 3 times as long as it would take Joe to paint the
entire house. Working together, they can complete the job in 24 hours.
9. What is the time it takes for John to complete the job?
A. x
С. х
В. Зх
1
D. Зx
10. What is the work rate of Joe?
A. 3x ,
c. -
1
В.
1
W A 3x
x 3x n e
11. What is the correct rational algebraic equation that can represent both Joe and John
working together?
1
C. -+
x 3x
1
1
1
1
A.
x 24
3x
24
1
1 1
В.
3x
1
D. -+ =-
24
3x
24
12. How long would it take Joe to complete the job alone?
A. 32 hours
C. 72 hours
D. 24 hours
B. 96 hours
13. Three years ago, Aiko's age is one-half of the age she will be in 6 years. How old is
she now?
A. 12 years old
B. 15 years old
C. 18 years old
D. 21 years old
3
C.
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