Respuesta :

Hey

Width of the photo = 3"
Length of the photo = 5"
New length of the photo = 7 inches
Then
3/5 = x/7
5x = 7 * 3
5x = 21
x = 21/5
   = 4.20 inches

Hoped I Helped 


Brainly182
So first you have to scale up the dimensions by 7.
7 x 3 + 7 x 5 = 21" by "35