Question

se a= 16 e x= 1,25, quanto vale ax?

Answer 1

ax=20
Pois 16.1,25= 20

Answer 2

$Se~~ a= 16 ~~e ~~x= 1,25~, ~~quanto ~~vale ~~ax?\\\\\\ 16\times 1,25 =~~ 20\\\\\\\\ \Large\boxed{ax~=~20}$