Question

A poster is 8 1/2 inches by 11 inches you enlarge the poster by increasing each dimension by a factor of 2 1/2 what is the area of the new poster

Answer 1

add 8 1/2 + 2 1/2=11

add 11 + 2 1/2=13 1/2

the area would be 11 x 13 1/2