If x:y =0.60 : 0.90 and y:z =1/3 : 1/4 ( 1) simplify the ratio x:y and y:z (2) find x:y:z
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Answer:
x:y=3:8 and y:z=4:9
∴
y
x
×
z
y
=
8
3
×
9
4
=
6
1
∴x:z=1:6
∴ The triplicate ratio of x:z is x
3
:z
3
=(1)
3
:(6)
3
=1:216
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