Instructions

Sarah has eight dollars. She wants to buy as many boxes of chocolates as she can.

The blue box of chocolates cost two dollars and the red box cost three dollars. The yellow box of chocolates is three dollars more than the blue box. The purple box costs twice as much as the blue box.

Question

If Sarah spends all eight dollars and only buys two different boxes of chocolates, which chocolates can she buy? Click on the boxes of chocolates to select the boxes that she buys.