Asked by Antianna

y is inversely to x. If y=300 when x=4, find y when x=150
Answered by Damon
y = k/x

300 = k /4
so
k = 1200

y = 1200/150
y = 8
Answered by Steve
You can also solve it without finding the value of k.

Since xy is constant,

150y = 4*300
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