A train travels 360 miles in 3 hours. At the same rate, how many additional hours would it take to travel an additional 240 miles?
The rate is 360/3=
<gadget id="calculator">360/3</gadget>
<output>120</output>
120 mph.
Then it would take 240/120=
<gadget id="calculator">240/120</gadget>
<output>2</output>
2 additional hours.

<result>2</result>