Question

10% de 40.000
20% de 300
4% de 24
90% de 64

Answer 1

Resposta:

1- 4000

2- 60

3- 0,96

4- 57.6

Answer 2

$a) \: 10 \div 100 = 0.1 \\ 0.1 \times 40000 = 4000 \\ \\ b) \: 20 \div 100 = 0.2 \\ 0.2 \times 300 = 60 \\ \\ c) \: 4 \div 100 = 0.04 \\ 0.04 \times 24 = 0.96 \\ \\ d) \: 90 \div 100 = 0.9 \\ 0.9 \times 64 = 57.6$

Espero ter ajudado!