A boy wanted to calculate his speed on his bike. His starting point was 350 meters from the turning point. He made the round trip 5 times in 30 minutes. What was the boy's speed in kilometers per hour? Choose one
A) 1.75  B) 1  C) 2.25  D) 2.4  E) 3.2
The distance between the the starting point and the turning point was 350 meters.   The boy made the round trip 5 times so that was 10 times he traveled 350 meters.   10 * 350= 
<gadget id="calculator">10 * 350</gadget>
<output>3_500</output>
3500 meters or 3.5 km.   30 minutes is half of an hour.   Divide the 3500 meters in half to put in the right time interval    3500/2= 
<gadget id="calculator"> 3500/2</gadget>
<output>1_750</output>
1750 meters or 1.75 km   Correct answer is 1.75
<result>A</result>
A boy wanted to calculate his speed on his bike. His starting point was 350 meters from the turning point. He made the round trip 5 times in 30 minutes. What was the boy's speed in kilometers per hour?