Question

найдите неизвестный член пропорции: 28:0,07=32:x

Answer 1

$frac{28}{0.07} = frac{32}{x} \ \ x = frac{0.07 times 32}{28} \ \ x = frac{0.07 times 8}{7} \ \ x = frac{0.56}{7} \ \ x = 0.08$