SOLUTION: 10. The bicycle club members left the campus to go to a park 24 km away for an outing. Manu
left from the same place by car with picnic supplies 1 and a half hours later, travel
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Question 623239: 10. The bicycle club members left the campus to go to a park 24 km away for an outing. Manu
left from the same place by car with picnic supplies 1 and a half hours later, travelled at a
speed four times as fast and arrived at the park at the same time as the cyclists. How fast did
Manu drive ?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the speed of the bicycle club members
How much of a head start did the bicycle club members have?
km
----------------
Start a stop watch when Manu leaves
Both he and the b.c.m. will travel for the same length of time
on the stop watch.
b.c.m. equation:
(1)
Manu's equation:
(2)
-----------------
(2)
Substitute this into (1)
(1)
(1)
(1)
(1)
(1)
Manu.s speed is 48 km/hr
check:
(2)
(2)
(2) hrs
and
(1)
(1)
(1)
(1)
OK
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