A car travels a certain distance taking 7 hrs in forward journey, during the return journey increased speed 12km/hr takes the times 5 hrs. What is the distance traveled Pick.
A) 210 kms	B) 30 kms	C) 20 kms	D) 40 kms	E) none of these
If x is the distance, then   difference in speeds =   x/5 - x/7 = 12   2x/35=12   x= 12*35/2= 
<gadget id="calculator">12*35/2</gadget>
<output>210</output>
210 kms. 210 kmsNSWER:210 kms
<result>A</result>
A car travels a certain distance taking 7 hrs in forward journey, during the return journey increased speed 12km/hr takes the times 5 hrs. What is the distance traveled