If two projectiles are launched at the same moment from 1182 km apart and travel directly towards each other at 460 km per hour and 525 km per hour respectively, how many minutes will it take for them to meet?
Answers.
A) 68
B) 72
C) 76
D) 80
E) 84
The projectiles travel a total of 985 km per hour.   The time to meet is   1182/985= 
<gadget id="calculator">  1182/985</gadget>
<output>6/5 = around 1.2</output>
1.2 hours= 72 minutes   The answer is 72.
<result>B</result>
If two projectiles are launched at the same moment from 1182 km apart and travel directly towards each other at 460 km per hour and 525 km per hour respectively, how many minutes will it take for them to meet?