Question
Sarah and Cody have a bicycle race. Sarah cycles at a speed of 20 km/h. Cody cycles at a speed of 22 km/h. If Cody lets Sarah start 30 min before him, how long will Cody take to catch up with Sarah?
3 m

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Sarah and Cody have a bicycle race. Sarah cycles at a speed of 20 km/h. Cody cycles at a speed of 22 km/h. If Cody lets Sarah start 30 min before him, how long will Cody take to catch up with Sarah?