4. A room measures 13 feet by 16 feet. A scale drawing is made of the room at 174 inch to 1 foot. What are the dimensions of the room on the scale drawing?
0 3.25 inches by 4 inches
52 inches by 64 inches
O 3.5 inches by 4.5 inches
13 inches by 16 inches

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.