Question

4/5 de 420 (tem q ter conta)

Answer 1

420 X 4/5 = 420X4 :5= 1680 : 5 = 336

Answer 2

Bom dia!

$\textup{R}=\frac{4}{5}\times\frac{420}{1}$
$\textup{R}=\frac{1680}{5}$
$\textup{R}=\boxed{336}$

Att;Guilherme Lima