Question

10% de 20
20% de 300
25% de 65
50% de 450
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Answer 1

Resposta:

10%= 10/100= 0,1

20x0,1= 2

20%= 20/100= 0,2

300x0,2= 60

25%= 25/100= 0,25

0,25×65=16,25

50%= 50/100= 0,5

0,5x450= 225

Answer 2

Resposta:

10% de 20= 2(20*10= 200/100= 2)<<<

20% de 300= 60 (300*20= 6000/100= 60)<<<

25% de 65= 16,25(65*25= 1625/100= 16,25)<<<

50% de 450= 225(450*50= 22500/100=225)<<<

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