if x varies directly as y and when X is 3 y is 8 find y when X is 21
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X-3. 21
Y-8. x
Let the value of Y be x.
As X and Y varies directly,
3*x = 21*8
x = 21*8/3
x = 56
Therefore, Y = 56
Y-8. x
Let the value of Y be x.
As X and Y varies directly,
3*x = 21*8
x = 21*8/3
x = 56
Therefore, Y = 56
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