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77julia77 [94]
4 years ago
13

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

Mathematics
1 answer:
xxMikexx [17]4 years ago
8 0
2/216 = 7/x
cross multiply
(2)(x) = (216)(7)
2x = 1512
x = 1512/2
x = 756 <==
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