X:y is 7:9 and y:z is 6:7 the ratio of x:z
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x : y = 7:9
y : z = 6:7
the ratio of x : z = 7 : 7
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Answer:
x/y=7/9
y/z=6/7
x/z=x/y × y/z
=7/9 × 6/7
=2/3
therefore x:z=2:3
hope it's clear.
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