The number of pencils is directly proportional to the cost. ... Two values x and y are inversely proportional to each other when their product xy is a constant (always remains the same). This means that whenx increases y will decrease, and vice versa, by an amount such that xyremains the same.
THE BEST UNITS FOR KILEY TO REPORT HER FINDINGS IS CENTIMETRE
3 packages of cups and 4 packages of napkins assuming that all 60 shows up 3×24=72 4×18=72 plenty with Xtra