The perimeter should be about 66
I believe this should be right
Step-by-step explanation:

Answer:
yes
Step-by-step explanation:
80 ÷ 20 = 4
56 ÷ 14 = 4
yes they are equivalent
For this case, the first thing we are going to do is define variables.
We have then:
x: number of hours it takes Homer to finish work alone.
They worked together for 3 hours until Homer had to go home:

Mike finished the job working by himself in an additional 5 hours:

From here, we must clear the value of x.
We then have to multiply both sides by x (x-1):

Rewriting we have:

The solutions to the equation are:
Answer:
it has taken Homer to fix the deck himself about:
x2 = 11.75 hours