Question

8.

The equation a = 640s gives the relationship between s square miles and a acres. Kevin owns 8.5 square miles of farmland. How many acres does he own?


13.28 acres

1.33 acres

5,440 acres

544 acres

Answer 1

5440 acres

Explanation:

Given: The equation a = 640s gives the relationship between s square miles and a acres. Kevin owns 8.5 square miles of farmland.

To Find: How many acres does he own.

Solution:

Area of farmland owned by kevin

The given equation is

here is area in acres, and is area in square miles.

putting values in equation

Hence kevin owns of farmland