CeceKloYujcelottie CeceKloYujcelottie

05-09-2016
Mathematics

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If x varies directly with y and x = 2.5 when y = 10, find x when y = 16.

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nobillionaireNobley nobillionaireNobley

06-09-2016

x = ky
2.5 = 10k
k = 2.5/10 = 0.25

When y = 16
x = 0.25(16) = 4

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