Question

1)Que percentagem representa 1 de 5?
2)Que percentagem representa 7 de 10?
3)Que percentagem representa 40 de 50?

Answer 1

5 = 100
1 = x

5x= 100

x = 100/5
x= 20%


10 = 100
7 = x

10x = 700
x = 700/10
x = 70%

50 = 100
40 = x

50x = 4000
x = 4000/50
x = 80%

Answer 2

1)  1*100/5=100/5=20
Resposta: 20%

2) 7*100/10=700/10=70
Resposta: 70%

3) 40*100/50=4000/50=80
Resposta: 80%