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 sea level. 7h – 5(3h – 8) = –72 Which statement is true about Pieter’s solution? It cannot be a fraction or decimal because the depth of the well is a whole number. It must be a positive number since it represents a number of hours. It must be a negative number because the depth is below sea level. It cannot be greater than –72 because that is the depth of the well.
Answers
Answer:
Option B is correct
It must be a positive number since it represents a number of hours.
Step-by-step explanation:
As per the statement:
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 sea level.
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Given the equation as:
Using distributive property,
Combine like terms;
Subtract 40 from both sides we have;
Divide both sides by -8 we have;
h = 14 hours
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Therefore, the statement is true about Pieter’s solution is, It must be a positive number since it represents a number of hours.
Answer: it must be a positive number since it represents a number of hours
Step-by-step explanation: