A 5"x7" picture is enlarged to 8"x10". By what percent di its area increase?

Answer 1

area1=35
area2=80

percent= (80-35)/35 * 100

Answer 2

First find the area before and after
5*7 =35
8*10=80
then: (80/35)*100=228.57%
Ans= 228.57%
u can double check that ur answer is correct by simply by multiplying (228.57/100)*35 u should get 80