Jim rides the bus to and from school each day. A one-way trip is 8.12 kilometers. How many kilometers does he travel in 3 days? Select:
A) 77km
B) 56km
C) 25.9km
D) 48.72km
E) 50km
1 day=2 trips,   3 days=2*3= 
<gadget id="calculator">2*3</gadget>
<output>6</output>
6 trips   6*8.12= 
<gadget id="calculator">6*8.12</gadget>
<output>48.72</output>
48.72km.   Answer is 48.72km.
<result>D</result>
Jim rides the bus to and from school each day. A one-way trip is 8.12 kilometers. How many kilometers does he travel in 3 days?