What you must do for this case is find a function that suits the problem and graph it.
We have:
y: the number of bales in the barn
x: days feeding his cows.
y = -4x + 60 see graphic attached.
Answer:
a=1
Step-by-step explanation:
7(5a-4)-1=14-8a
Distribute
35a - 28 -1 = 14 -8a
Combine like terms
35a -29 = 14 -8a
Add 8a to each side
35a+8a -29 = 14 -8a+8a
43a -29 = 14
Add 29 to each side
43a -29+29 = 14+29
43a = 43
Divide each side by 43
43a/43 = 43/43
a =1
Knowing the altitude of a triangle you, divide the perimeter by 3 to find the length. your answer would be 15 meters.