Raymond B. answered 02/17/21
Math, microeconomics or criminal justice
15x + 4y= 99
x+ y = 11
4x + 4y = 44 subtract to get
11x = 55
x = 5 hours riding
y = 6 hours walking
Lillie S.
asked 02/17/21Alma started biking to the restaurant traveling 15 mph, after some time the bike got a flat so Alma walked the rest of the way, traveling 4 mph. If the total trip to the restaurant took 11 hours and it was 99 miles away, how long did Alma travel at each speed?
____hours at 15 mph
____hour at 4 mph
Raymond B. answered 02/17/21
Math, microeconomics or criminal justice
15x + 4y= 99
x+ y = 11
4x + 4y = 44 subtract to get
11x = 55
x = 5 hours riding
y = 6 hours walking
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