Question

a) 1/20+1/2 b) 1/20+1/8+1/4 (com cálculo pfv)

Answer 1

$\frac{1}{20} + \frac{1}{2}$

$0,05+ \frac{1}{2}$

$0.05+0.5$


$0.55$


b) $\frac{1}{20} + \frac{1}{8} + \frac{1}{4}$


$0.05+ \frac{1}{8} + \frac{1}{4}$


$0.05+0.125 + \frac{1}{4}$


$0.05+0.125+0.25$

$0.425$

Answer 2

Fiz em folha de papel para melhor visualização.