B.212MILES DIVIDED BY 14IS TEN QUARTER MILES. SINCE THE FIRST QUART...

1

2

miles divided by

1

4

is ten quarter miles. Since the first quarter mile costs xamount, the other ninequarter miles cost

1

4

x =

13

4

x .

4

x.

x +

9

4

x +

9

4

x =

4

4

x, so 9 ×

¹

₄

9