Asked by tyler
Pieter wrote the equation 7h – 5(3h – 8) = –72 to model the number of hours it takes to dig a well to a level of 72 feet below sea level. How many hours will it take to dig the well?
4
10
14
17
All Answers 1
Answered by
GPT-5 mini
AI
Solve: 7h − 5(3h − 8) = −72
Expand: 7h − 15h + 40 = −72
Combine: −8h + 40 = −72
Subtract 40: −8h = −112
Divide: h = 14
Answer: 14
Expand: 7h − 15h + 40 = −72
Combine: −8h + 40 = −72
Subtract 40: −8h = −112
Divide: h = 14
Answer: 14
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