Question

mano algm me ajuda plmds ​

Answer 1

Resposta:

1) 63 metros

$3.15 \times 20 = 63$

2) .31 reais

$100 - 69 = 31$

.20 reais

$100 \div 5 = 20$

3)60 reais

$50\% \: de \: 100 = 50reais \\ 20\% \: de \: 50 = 10reais \\ 50 + 10 = 60$