the variable X varies directly as y.when y is 10 x is 3 by 2 find y when X is 9
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x=KY
K=x/y
if x=3/2; y=10
k=3/2÷10=3/20
if x=9
3/20=9/y
y=9×20/3=60
K=x/y
if x=3/2; y=10
k=3/2÷10=3/20
if x=9
3/20=9/y
y=9×20/3=60
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