Mathway .com gives you FREE answers (its an app too)<span>. you could also download Photomath app </span>for FREE! read more about in the app descriptions :)
Answer:
140m^2
Step-by-step explanation:
You take the blh/2
(7*5*8)/2
You get 140
It Is My Work From My Laptop
A scale factor of 2 means the dimensions are multiplied by 2.
15 x 2 = 30
8 x 2 = 16