Question

a science fair poster is a rectangle 48 inches long and 36 inches wide. what is the area of the poster in square feet? be sure to include the correct unit in your answer.

Explanation:

Step1: Convert inches to feet

Since 1 foot = 12 inches, convert length and width:
Length: $48\div12 = 4$ feet
Width: $36\div12 = 3$ feet

Step2: Calculate area of rectangle

Area of rectangle = length × width, so $4\times3 = 12$ square feet

Answer:

12 square feet (or $12\ \text{ft}^2$)