Question

Quais as razões que formam proporções .

A) 15/6 e 5/2
B) 9/4 e 5/3
C)7/2 e 35/10
D) 8/9 e 5/6

Answer 1

Ola 

a) (15/6)/(5/2) = (15/6)*(2/5) = 30/30 = 1

b) (9/4)/(5/3) = (9/4)*(3/5) = 27/20

c) (7/2)/(35/10) = (7/2)*(10/35) = 70/70 = 1

d) (8/9)/(5/6) = (8/9)*(6/5) = 48/45 = 16/15