Mr Waddle walks at 2 \text{ mph} and Mr Ramble walks at 4 \text{ mph}. They set off together for a non-stop 12 mile hike. How long after Mr Ramble finishes does Mr Waddle complete the hike?
Select one option, then click Submit.
1 \text{ hour}
3 \text{ hours}
4 \text{ hours}
6 \text{ hours}
12 \text{ hours}
Select an option, then submit.
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