For Moving Purposes, the Hendersons Bought 25 Cardboard Boxes for $117.50

Multiple Choice

For moving purposes, the Hendersons bought 25 cardboard boxes for $117.50. There were two kinds of boxes; the large ones cost $6.50 per box and the small ones were $4 per box. How many boxes of each kind did they buy?

A) 12 large boxes and 13 small boxes
B) 7 large boxes and 18 small boxes
C) 18 large boxes and 7 small boxes