Question

A science fair poster is a rectangle

Answer 1

Hello There!

Write formula:
Area = l x w
Substitute values in:
Area = 3 x 2
Solve:
Area = 6ft².
Convert to Square inches:
6ft² = 864in²

Hope This Helps You!
Good Luck :) 

- Hannah ❤

Answer 2

1 ft = 12 inches

so 3 ft = 12 * 3 = 36 inches (length)
and 2 ft = 2 * 12 = 24 inches (width)

A = L * W
A = 36 * 24
A = 864 square inches <==