Question

2
Escreva as razões na forma de porcentagem usando as frações equivalentes.

a) 18/25

b) 32/20

c) 8,7/50

d) 160/250​

Answer 1

a) 18/25 *(4/4)= 72/100 = 72%

b) 32/20 *(5/5)= 160/100= 160%

c) 8,7/50 *(2/2)= 17,4/100= 17,4%

d) 160/250 ÷(2,5/2,5)= 64/100= 64%