Lyn keeps fir by completing a circuit of 30km. She cycles for x kilometres at 12km/h then runs the remaining distance at 5km/h. The circuit takes 3 hours and 54 minutes to complete. What distance does she cycle?
Can you please give me an idea to go about answering the question.

Question

Lyn keeps fir by completing a circuit of 30km. She cycles for x kilometres at 12km/h then runs the remaining distance at 5km/h. The circuit takes 3 hours and 54 minutes to complete. What distance does she cycle? 
Can you please give me an idea to go about answering the question.

anonymous · Answer

think of the units and what is given. sometimes drawing a picture helps

marigirl · Answer

would velocity=distance/time have something to do with it?

anonymous · Answer

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