Ascale drawing of a building needs to be made using the scale 1 in = 190 ft. how tall will the builging in the scale drawing be if the building is 570 ft tall

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.