Question
Opal and Neave have a bicycle race. Opal cycles at a speed of 15 km/h. Neave cycles at a speed of 21 km/h. If Neave lets Opal start 48 min before him, how long will Neave take to catch up with Opal?
3 m

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Opal and Neave have a bicycle race. Opal cycles at a speed of 15 km/h. Neave cycles at a speed of 21 km/h. If Neave lets Opal start 48 min before him, how long will Neave take to catch up with Opal?