Both Robert and Alice leave from the same location at 7:00 a.m. driving in the same direction, but in separate cars. Robert drives 50 miles per hour while Alice drives 80 miles per hour. After 5 hours, Alice’s car stops. At what time will Robert’s car reach Alice’s car?  Choose the correct choice from the following:
A) 2 p.m.
B) 3 p.m.
C) 4 p.m.
D) 8 p.m.
E) 9 p.m.
7:00 am so 4 hours later is 11:00 am   In five hours, Robert will have driven  5*50= 
<gadget id="calculator"> 5*50</gadget>
<output>250</output>
250 miles   In five hours, Alive will have driven 5*80= 
<gadget id="calculator">5*80</gadget>
<output>400</output>
400 miles   So Robert needs  400-250= 
<gadget id="calculator"> 400-250</gadget>
<output>150</output>
150 miles do catch Alice up.   So at 50 mph, he will need 3 hours   11:00 am + 3 hours= 2:00 pm   2 p.m.NS : 2 p.m.
<result>A</result>
Both Robert and Alice leave from the same location at 7:00 a.m. driving in the same direction, but in separate cars. Robert drives 50 miles per hour while Alice drives 80 miles per hour. After 5 hours, Alice’s car stops. At what time will Robert’s car reach Alice’s car?