Question

Zara bought 2.4 pounds of grapes and a watermelon that cost $5.28. The total cost of the fruit was $7.32. Which describes a way to determine x, the price per pound for the grapes?

A) Solve for x in the equation 2.4(x+5.28)=7.32.
B) Subtract 5.28 from 7.32 and then divide the difference by 2.4.
C) Solve for x in the equation 2.4x−5.28=7.32.
D) Divide 7.32 by 2.4 and then subtract 5.28 from the quotient.

Answer 1

B) Subtract 5.28 from 7.32 and then divide the difference by 2.4.

To find out the price per pound for the grapes, subtract the cost of the watermelon from the total cost, then divide this amount by the weight of the grapes.

Step-by-step explanation:

To determine x, the price per pound for the grapes that Zara bought, we can follow the process described in option B) Subtract 5.28 from 7.32 and then divide the difference by 2.4. Here's how that works in detail:

• First, subtract the cost of the watermelon ($5.28) from the total cost of the fruit ($7.32) to find out how much was spent on the grapes. This gives us $7.32 - $5.28 = $2.04.
• Then, divide this amount by the weight of the grapes (2.4 pounds) to find the price per pound: $2.04 / 2.4 pounds = x.

This calculation will give us x, the price per pound of the grapes. Therefore, the correct way to determine x is represented by option B).