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Neel and Jacob start from opposite ends of a 28-mile trail and begin hiking toward each other at the same time. If Neel

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Neel and Jacob start from opposite ends of a 28-mile trail and begin hiking toward each other at the same time. If Neel

by BTGmoderatorDC » Wed May 06, 2020 6:55 pm

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Neel and Jacob start from opposite ends of a 28-mile trail and begin hiking toward each other at the same time. If Neel hikes at a constant 4 miles per hour and Jacob hikes at a constant 3 miles per hour, how many miles will Neel have traveled when he meets Jacob?

A. 10
B. 12
C. 14
D. 16
E. 18


OA D

Source: Veritas Prep
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Re: Neel and Jacob start from opposite ends of a 28-mile trail and begin hiking toward each other at the same time. If N

by Jay@ManhattanReview » Wed May 06, 2020 9:53 pm
BTGmoderatorDC wrote: ↑
Wed May 06, 2020 6:55 pm
 Neel and Jacob start from opposite ends of a 28-mile trail and begin hiking toward each other at the same time. If Neel hikes at a constant 4 miles per hour and Jacob hikes at a constant 3 miles per hour, how many miles will Neel have traveled when he meets Jacob?

A. 10
B. 12
C. 14
D. 16
E. 18

OA D

Source: Veritas Prep
Since Neel and Jacob are moving towards each other, their relative speed would be added. Thus, their relative speed would be 4 + 3 = 7 mph.

Again, since Neel's speed (4mph) is greater than Jacob's speed (3 mph), Neel would have covered 4/7 part of the 28-mile trail.

Thus, Neel would have traveled 4/7 pf 28 = 16 miles when he meets Jacob.

The correct answer: D

Hope this helps!

-Jay
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