hollicious6377 hollicious6377

27-01-2018
Mathematics

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If y varies directly as x and x=9 when y=15 find y when x=3 answer

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texaschic101 texaschic101

27-01-2018

9/15 = 3/y
cross multiply
(9)(y) = (3)(15)
9y = 45
y = 45/9
y = 5 <===

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