Question

4-Efetue os cálculos:
A)11% de 120. C)32% de 246
B)21% de 213 D)45% de 458
​

Answer 1

Resposta:

a) 13,2

b)44,73

C)78,72

d)206,1

Explicação passo-a-passo:

120=100%

x. =11%

1320=100x

x=1320÷100

x=13,2

b) 213=100%

x= 21%

4473=100x

x=44,73

C)246=100%

x= 32%

7872=100x

x= 78,72

d) 458=100%

x= 45%

20610=100x

x=206,1