Question

What is the answer tho this problem? Pieter wrote and solved an equation that models the number of hours it takes to dig a well to a level of 72 feet below?Formula: 7h-(3h-8)=-72

Answer 1

Given

7h-(3h-8)=-72

Answer

7h-(3h-8)=-72

7h - 3h + 8 = 72

4h = 72 - 8

4h = 64

h= 64 / 4 = 16