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OpenStudy (anonymous):
If x varies directly as y, and x=14 when y=2, find x when y=8. x=?
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OpenStudy (imstuck):
y = kx is the formula. Replace y with 2 and x with 14 to find k.
OpenStudy (imstuck):
2 = 14k so k = 1/7
OpenStudy (imstuck):
Now use that k value in the same formula along with y = 8. 8 = 1/7x x = 56
OpenStudy (anonymous):
Thank you.
OpenStudy (imstuck):
You bet!
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