Question

usando equivalências das frações descubra o valor de x: a) 7/9=14/x
b) 4/7=x/28
c)7/2=x/12
d)15/30=x/2
e)3/11=9/x
f)1/8=x/40
g)6/18=1/x
h)40/12=10/x

Answer 1

a)14/18

b)16/28

c)42/12

d)1/2

e)9/33

f)5/40

g)1/3

h)10/3