Ms. Warren ran at 6 mph for 20 minutes. After the run, she walked at 2 mph for 30 minutes. How many miles did she run and walk in total?
20 minutes is 20/60=1/3 of an hour.
Ms. Warren ran 6/3=
<gadget id="calculator">6/3</gadget>
<output>2</output>
2 miles.
30 minutes is 30/60=1/2 of an hour.
Ms. Warren walked 2/2=
<gadget id="calculator">2/2</gadget>
<output>1</output>
1 mile.
Ms Warren ran and walked 2+1=
<gadget id="calculator">2+1</gadget>
<output>3</output>
3 miles in total.

<result>3</result>