A certain car increased its average speed by 5 miles per hour in each successive 5-minute interval after the first interval. If in the first 5-minute interval its average speed was 2 miles per hour, how many miles did the car travel in the third 5-minute interval?  Select the correct option.
A) 1.0 B) 1.5 C) 2.0 D) 2.5 E) 3.0
In the third time interval the average speed of the car was 2+5+5= 
<gadget id="calculator">2+5+5</gadget>
<output>12</output>
12 miles per hour;   In 5 minutes (1/12 hour) at that speed car would travel   12*1/12= 
<gadget id="calculator">  12*1/12</gadget>
<output>1</output>
1 miles.   1.0nswer: 1.0.
<result>A</result>
A certain car increased its average speed by 5 miles per hour in each successive 5-minute interval after the first interval. If in the first 5-minute interval its average speed was 2 miles per hour, how many miles did the car travel in the third 5-minute interval?