Quick im giving 21 points and a brainliest award peter had a 12: 00 noon appointment that was 60 miles from his home. he drove from his home at an average rate of 40 miles per hour and arrived 15 mins late. at what time did peter leave home

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.