Question

a map was created using a scale of 1 inch : 3 miles shows a lake with an area of 18 square inches waht is the actual area of the lake

Answer 1

Answer: 162 square miles

Work Shown:

1 inch : 3 miles

(1 inch)^2 : (3 miles)^2

1 square inch : 9 square miles

18*(1 square inch) : 18*(9 square miles)

18 square inches : 162 square miles