Ben has an old rectangular banner that is 2 feet by 12 feet. He wants to make a new banner with the same area, but with different dimensions. The area of the banner is 24 square feet . Which dimensions could Ben use? A. L = 20 feet; W = 4 feet B. L = 12 feet; W = 12 feet C. L = 6 feet; W = 3 feet D. L = 8 feet; W = 3 feet

Respuesta :

L = 8 feet; W = 3 feet
well here's how you do it  
1. find the area of the original banner (l*W) to get 24 squared inches
2. find the areas of all the answer choices to see which one has the same area

A. 80
B. 144
c. 18
D.24
 d is the correct answer because it has the same area as the original banner