Final answer:
The cost per pound of the apples is approximately $1.82, rounded to the nearest dollar, calculated by dividing the total remaining cost of the apples by the remaining weight after Manuel ate part of them.
Step-by-step explanation:
Manuel bought a total of 9 pounds of apples, and after eating three-fourths of a pound, he has 9 - 0.75 = 8.25 pounds of apples left. He has $15 worth of apples remaining, so to find the cost per pound of the apples, we set up the equation $15 = 8.25 pounds × cost per pound. To solve for the cost per pound, we divide both sides of the equation by 8.25 pounds:
$15 ÷ 8.25 pounds = cost per pound
So, the cost per pound of the apples is approximately:
$1.82 per pound (rounded to the nearest dollar)