Paul jogs at a constant rate for 80 minutes along the same route every day...

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Paul jogs at a constant rate for 8 minutes along the same route every day. How long is the route?

1) Yesterday, Paul began jogging at 5:00 P.M.
2) Yesterday, Paul had jogged 5 miles by 4:50 P.M. and 8 miles by 6:04 P.M.

OA B
Source: — Data Sufficiency |

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AAPL wrote:
Mon Mar 16, 2020 5:03 am
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The question is not posted correctly. Here's the correct version.

Paul jogs at a constant rate for 80 minutes along the same route every day. How long is the route?

1) Yesterday, Paul began jogging at 5:00 P.M.
2) Yesterday, Paul had jogged 5 miles by 5:40 P.M. and 8 miles by 6:04 P.M.

OA B
Let's take each statement one by one.

1) Yesterday, Paul began jogging at 5:00 P.M.

Certainly insufficient since we do not know the rate of jogging.

2) Yesterday, Paul had jogged 5 miles by 5:40 P.M. and 8 miles by 6:04 P.M.

=> in 6:04 – 5:40 = 24 minutes Paul jogged 8 – 5 = 3 miles

Thus, in 80 minutes, he would have jogged (3/24)*80 = 10 miles

The correct answer: B

Hope this helps!

-Jay
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