2/08 Exercise 8.22

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Jenny set off to cycle to a festival at 9:00 a.m., and travelled at a speed of [[$ 12 $]] km / h. Levi left to pack another tent and was able to set off [[$ 40 $]] minutes later after Jenny.

Solve by drawing how far Jenny had cycled before Levi reached her. Levi's cycling speed was [[$ 18 $]] km / h. What time was it then?



The graphs intersect at point ( km, [[_:v=11.00|11:00:s=0,5:t=]]), so Levi reached Jenny at km when the time was .

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