Which problem can be solved using the inequality below? 73.5 -0.6x < 68.7 -0.2x
A. A coat costs $73.50 at Store X and is on sale for 60% off. The same coat costs $68.70 at Store Y
and is on sale for 20% off. How much less does the coat cost at Store X?
B. Howard bought a graphing calculator for $73.50 and some pens for $0.60 each. He spent less than
Nancy, who bought a textbook for $68.70 and some pencils for $0.20 each. How many pens did
Howard buy?
C. The temperature in Dallas is 73.5°F and is falling 0.6°F per hour. The temperature in Austin is 68.7°F
and is falling 0.2°F per hour. How many hours will it take for the temperature in Dallas to be lower
than the temperature in Austin?
D. A red hot air balloon is 73.5 meters in the air and is descending at a rate of 0.6 meters per second. A
yellow hot air balloon is 68.7 meters in the air and is rising at a rate of 0.2 meters per second. How
many seconds will it take for the red balloon to be lower than the yellow balloon?