Two cyclist start from the same places in opposite directions. One is going towards north at 18kmph and the other is going towards south 20kmph. What time will they take to be 114 km apart?  Choices:
A) 1 1/4 hours B) 3 hours C) 4hours D) 3 3/4 hours E) 6hours
To be (18+20) km apart, they take 1 hour   To be 114 km apart, they take   1/38 * 114= 
<gadget id="calculator">  1/38 * 114</gadget>
<output>3</output>
3 hrs   Answer is 3 hours
<result>B</result>
Two cyclist start from the same places in opposite directions. One is going towards north at 18kmph and the other is going towards south 20kmph. What time will they take to be 114 km apart?