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OpenStudy (anonymous):
y varies directly with x, and y = 2 when x = 5. What is the value of x when y = 15?
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OpenStudy (shamil98):
y = kx 2 = 5k 2/5 = k 15 = (2/5)x solve for x.
OpenStudy (anonymous):
x=37.5 , thank you so much!
OpenStudy (anonymous):
y=kx. k=y/x. x=y/k k=2/5. x=15/0.4 k=0.4. x=37.5
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