s6mi8Meldkhanitaaaay s6mi8Meldkhanitaaaay

10-09-2016
Mathematics

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y is directly proportional to x, and y=216 when x=2. find y when x=7

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texaschic101 texaschic101

10-09-2016

2/216 = 7/x
cross multiply
(2)(x) = (216)(7)
2x = 1512
x = 1512/2
x = 756 <==

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