At 1:00, Annie starts to bicycle along a 84 mile road at a constant speed of 14 miles per hour. Thirty minutes earlier, Scott started bicycling towards Annie on the same road at a constant speed of 12 miles per hour. At what time will they meet?  Answers: A) 2:30 B) 3:00 C) 4:00 D) 5:00 E) 6:00
In the first 30 minutes, Scott can travel 6 miles, so there are 78 miles left.   Together Annie and Scott can complete 26 miles.   78/26= 
<gadget id="calculator">78/26</gadget>
<output>3</output>
3, so they will meet 3 hours after 1:00.   The answer is 4:00.
<result>C</result>
At 1:00, Annie starts to bicycle along a 84 mile road at a constant speed of 14 miles per hour. Thirty minutes earlier, Scott started bicycling towards Annie on the same road at a constant speed of 12 miles per hour. At what time will they meet?