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22-03-2016
Mathematics

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The graph of a proportional relationship passes through (12, 16) and (1, y). Find y.

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22-03-2016

proportinal
12:16=1:y
12/16=1/y
3/4=1/y
multiply boht sides by y
3y/4=1
multiply 4
3y=4
divid 3
y=4/3

y=4/3 or 1 and 1/3

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