Raymond B. answered 02/19/21
Math, microeconomics or criminal justice
speed times time= distance
14B + 7(11-B) = 119
14B + 77 -7B = 119
7B = 42
B = 6 hours biking
11-B = 5 hours walking
Lillie S.
asked 02/17/21Ariana started biking to the library traveling 14 mph, after some time the bike got a flat so Ariana walked the rest of the way, traveling 7 mph. If the total trip to the library took 11 hours and it was 119 miles away, how long did Ariana travel at each speed?
___hours at 14 mph
____hours at 7 mph
Raymond B. answered 02/19/21
Math, microeconomics or criminal justice
speed times time= distance
14B + 7(11-B) = 119
14B + 77 -7B = 119
7B = 42
B = 6 hours biking
11-B = 5 hours walking
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