Jan can paint his room's wall in 9 hours. Sean can do it in 5 hours. If
we let x be the number of hours it will take both of them to do the work,
1. What is the part of the work that can be done by Jan alone in 1 hour?
A.1/x
B.1/9
C.1/5
D.1/14
2. What is the part of the work that can be done by Sean alone in 1 hour?
A.1/x
B.1/9
C.1/5
D.1/14
3. What is the part of the work that can be done in 1 hour by Jan and Sean?
A.1/x
B1/9
C.1/5
D.1/14
4. Which will be the working equation for this given problem?
A.1/9+1/5=1/x
B.1/5+1/x=1/9
C.1/9-1/5=1/x
D.1/x+1/9=1/5
5. How long will it take them to do the job if they work together?
A. 3 hours
B. 3 1/14 hours
C.3 3/14 hours
D.3 5/14 hours
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Answer:
1 b
2 c
3 a
4 a
5 b
Step-by-step explanation:
i hope it helps
Answer:
1. B
2.C
3. A
4. A
5 . C
Step-by-step explanation:
solution in 5
1/9+1/5=1/x
5/45 + 9/45 = 1/x
14/45=1/x
14x=45
x=45/14
x= 3 3/14