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22 April, 22:12

If y varies directly as x, what is the value of y in these ordered pairs?

(8, 4) and (4, y)

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  1. 22 April, 23:45
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    So if we see the first one (8,4) x=8 and y=4

    And we see the 2nd one (4, y) x=4 and y=?

    We notice that the value of x its been halved. So y varies with x so y value also has to be halved so y = 2
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