Oliver wants to buy kiwi and raspberries to make a fruit tart. Kiwi cost $4.50 per
pound and raspberries cost $3.25 per pound. How many pounds of fruit does he buy
if he buys 2.5 pounds of kiwi and 1.5 pounds of raspberries? How many pounds of
fruit does he buy if he buys a pounds of kiwi and y pounds of raspberries?
