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aliina [53]
3 years ago
13

If y varies directly as x, and y = 42 as x = 6, find y for the x-value 3

Mathematics
1 answer:
mojhsa [17]3 years ago
3 0
Y=42  Y=?
X=6    X=3

cross multiply
so 42times3=6timesY
126=6Y
Y=126 divided by 6
  =21
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