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 152km apart?	Choose the correct choice from the following answers:	A) 1 1/4 hours	B) 2 1/3 hours	C) 4hours	D) 3 3/4 hours	E) 6hours
To be (18+20) km apart, they take 1 hour   To be 152 km apart, they take   1/38 * 152= 
<gadget id="calculator">  1/38 * 152</gadget>
<output>4</output>
4 hrs   Answer is 4hours
<result>C</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 152km apart?