Question

PLEASE HELP ME I BEG IMMA FAILLLLLLLLLLLLLLLL

Answer 1

Answer: 3.5"

64:80::2.8":x

$\frac{64}{80}$$\frac{2.8}{x}$    

2.8x80=224

224/64=3.5"

Answer 2

Answer:

3.5

Step-by-step explanation:

that's what the other dude said