Question

escreva sob a forma de porcentagem as frações 2/5 , 3/4, 3/50, 1/20, 5,2

Answer 1

2/5----40%

3/4----75%

3/50--6%

1/20--5%

5/2---250%

espero ter ajudado

Answer 2

Boa tarde Alinea

faça assim 

2/5 = x/100
5x = 200
x = 200/5 = 40
2/5 = 40%

3/4 = x/100
4x = 300
x = 300/4 = 75
3/4 = 75%

3/50 = x/100
50x = 300
x = 300/50 = 6
3/50 = 6%

1/20 = x/100
20x = 100
x = 100/20 = 5
1/20 = 5% 

5/2 = x/100
2x = 500
x = 500/2 = 250
5/2 = 250%