Question
Abi and Archie have a bicycle race. Abi cycles at a speed of 15 km/h. Archie cycles at a speed of 19 km/h. If Archie lets Abi start 48 min before him, how long will Archie take to catch up with Abi?
3 m

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Abi and Archie have a bicycle race. Abi cycles at a speed of 15 km/h. Archie cycles at a speed of 19 km/h. If Archie lets Abi start 48 min before him, how long will Archie take to catch up with Abi?