Real Estate Math

A rectangular Iowa farm field measures 1/4 mile by 1/2 mile. How many acres does it contain? (1 mile = 5,280 feet; 1 acre = 43,560 sq ft)

A40 acres
B60 acres
C80 acres✓ Correct
D160 acres

Explanation

1/4 mile = 1,320 ft; 1/2 mile = 2,640 ft. Area = 1,320 × 2,640 = 3,484,800 sq ft. Acres = 3,484,800 ÷ 43,560 = 80 acres.

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