Asked by jlw
Suppose y varies inversely with x. If y = 4 when x = 14, what is the value of y when x = 21?
Answers
Answered by
oobleck
since y=kx, y/x=k, so it is constant. You want y such that
y/21 = 4/14
y = 6
k = 2/7, but you don't need to know that to solve this kind of question.
y/21 = 4/14
y = 6
k = 2/7, but you don't need to know that to solve this kind of question.
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