Two cars are driving toward each other. The first car is traveling at a speed of 100 km/h, which is 25% faster than the second car's speed. If the distance between the cars is 720 km, how many hours will it take until the two cars meet?
Pick:
A) 3	B) 3.5	C) 4	D) 4.5	E) 5
The speed of the first car is 100 km/h.   The speed of the second car is  100 / 1.25= 
<gadget id="calculator"> 100 / 1.25</gadget>
<output>80</output>
80 km/h.   The two cars complete a total of 180 km each hour.   The time it takes the cars to meet is   720 / 180= 
<gadget id="calculator">  720 / 180</gadget>
<output>4</output>
4 hours.   The answer is 4.
<result>C</result>
Two cars are driving toward each other. The first car is traveling at a speed of 100 km/h, which is 25% faster than the second car's speed. If the distance between the cars is 720 km, how many hours will it take until the two cars meet?