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Question

Three friends, Joey, Chandler and Ross meet for breakfast at 9:00 AM at Central Perk every morning. Joey walks, Chandler bikes, and Ross drives. Yesterday all three were exactly on time. Joey left his house at 8:30 AM and walked at a rate of 3 miles per hour. Chandler left his house at 8:15 AM and biked at a rate of 14 mph. Ross left her house at 8:45 AM and drove an average speed of 35 mph. If the person who traveled the farthest live m miles from the restaurants, the what is the value of 2m?

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Solution

Distance Traveled By

(i) As Joey Walked 3mph for 0.5Hour , DJoey=3×0.5=1.5mile

(ii) As Chandler biked 14mph for 0.75 Hour , DChandler=14×0.75=10.5mile

(i) As Ross Drove 35mph for 0.25Hour , DRoss=35×0.25=8.75mile

Therefore, m=10.5
and 2m=21

Hence, the answer is 21

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