Or every 14 ice-cream cones olga buys, she gets 2 free. how many free ice-cream cones will olga get if she buys 56 cones?

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.