MATHEMATICS THE PASSAGE.

43. d.To complete the square, one half of the btermthere are four quarts to a gallon. There are there-is squared and added to each side. Therefore,fore 20 quarts in a 5-gallon container. Divide 20

4

quarts by 1.06 quarts per liter to get 18.8 liters

2

= 2, 2²

= 4.