Answer:
b answer
Step-by-step explanation:
Answer:
Step-by-step explanation:
n(30/100)=27
n=100(27)/30
n=90
Answer:
.5 inches a month
Step-by-step explanation:
52 - 43 = 9 inches
9/18 = .5
Answer:
3.6 hours
Step-by-step explanation:
Blake can do work in hours = 9
Blake can do a part of work in 1 hour = 
Ned can paint the same room in six hours.
Ned can do a part of work in 1 hour = 
They can do a part of work together in 1 hour = 
=
Now they can do
part of work in hour = 1
So, they can do whole work in hours = 
= 
Hence it will take 3.6 hours to paint the room if they work together.