Duplicate Question
The question on this page has been marked as a duplicate question.
Original Question
A person travels by car from one city to another with different constant speeds between pair of cities. She drives for 38.6 min...Asked by thomas
A person travels by car from one city to another with different constant speeds between
pair of cities. She drives for 31.5 min at
89.6 km/h, 11.8 min at 101.8 km/h, and
58.5 min at 36.4 km/h, and spends 24.8 min
eating lunch and buying gas.
Find the distance between the initial and
final cities along this route.
Answer in units of km
pair of cities. She drives for 31.5 min at
89.6 km/h, 11.8 min at 101.8 km/h, and
58.5 min at 36.4 km/h, and spends 24.8 min
eating lunch and buying gas.
Find the distance between the initial and
final cities along this route.
Answer in units of km
Answers
Answered by
Henry
Dt=89.6km/60min*31.5min+
101.8km/60min*11.8min+36.4km/60min*58.5=
Tot. Dist.
T = t1 + t2 + t3 + t4. = Tot. min.
T/60min/h = T in hours.
r(avg) = Dt/T
101.8km/60min*11.8min+36.4km/60min*58.5=
Tot. Dist.
T = t1 + t2 + t3 + t4. = Tot. min.
T/60min/h = T in hours.
r(avg) = Dt/T
There are no AI answers yet. The ability to request AI answers is coming soon!