Answer:
It's 15/7
Step-by-step explanation:
Answer:
sdf ss shesty summer
Step-by-step explanation:
sheisty summer
10x-4 + 8x+3 + 91 = 180
18x + 90 = 180
18x = 180 - 90
18x = 90
x = 90/18
x = 5
Answer:
7.5 days.
Step-by-step explanation:
Let t represent time taken by Nick in days to paint the house alone.
Part of house painted by Nick in 1 day would be
.
We have been given that Brad paints a house in 5 days, so part of house painted by Brad in 1 day would be
.
We are also told that when Brad's brother Nick joins him, they can paint a house in 3 days. So part of house painted by both Brad and Nick together in 1 day would be
.
Now, we will equate sum of work done by both brothers with
to solve for t as:








Therefore, it will take 7.5 days for the Nick to paint the house alone.