tickets were sold at 4 different gates of a highschool football stadium. The graph below shows the percent of the total tickets sold at each gate during a recent game. If 90 tickets were sold at gate c, what was the total number of tickets sold

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.