Ms. robinson is riding The stationary bike at a gym. She completes 63 5/8 wheel rotations every 1/2 minute. What is Ms. Robinson´s unit rate in rotations per minute

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.