Question

Abandoned mines frequently fill with water. Before an abandoned mine can be reopened, the water must be pumped out. The size of pump required depends on the depth of the mine. If pumping out a mine that is D feet deep requires a pump that pumps a minimum of + 4D – 250 gallons per minute, pumping out a mine that is 150 feet deep would require a pump that pumps a minimum of how many gallons per minute?
362


500


800


1,250


1,750

Answer 1

Answer:

350

Step-by-step explanation:

using the formula given

4D -250 substitute 150 for D

4(150)-250 = 350.

it's not shown? but it's the answer. unless there are pieces missing to the question.