jessalynmoseley jessalynmoseley

23-09-2017
Mathematics

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If y = 8 when x = 3, determine y when x = 45 (write an equation)

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mreijepatmat mreijepatmat

23-09-2017

The equation should be y = mx. Let's calculate m, when x = 3 and y = 8:
8=3m and m = 8/3, then the equation is:

y = (8/3)x. Now if x = 45 then y = (8/3).(45) and y = 120

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