Suppose that the relationship between price, $P,$ and quantity, $Q,$ is given by the equation $Q=60-4P.$

Which of the following equations correctly represents solving $Q=60-4P$ for $P?$

$P=60-4Q$

$P=15-\frac{1}{4}Q$

$P=60+Q$

$P=15-4Q$

$P=60-Q$