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Mathematics 13 Online
OpenStudy (anonymous):

y varies directly with x. When y = 20, x = 50. Find x when y = 36. 75 80 90 105

OpenStudy (alexwee123):

y=kx find k

OpenStudy (anonymous):

what´s k?

OpenStudy (alexwee123):

plug in y = 20, x = 50 into y=kx to find k

OpenStudy (anonymous):

ooo.. ok.. thankyou

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