Question

Como montar e calcular essas razoes
A) 2 e 3/5
B) 3/7 e 4/7
C) 0,4 e 0,15

Answer 1

• assunto: razão

a) r = 2/(3/5) = 2 * (5/3) = 10/3

b) r = (3/7)/(4/7) = (3/7)*7/4) = 3/4

c) r = (4/10)/(15/100) = (4/10)*(100/15) = 400/150 = 8/3