Emily47839222 Emily47839222

27-06-2018
Mathematics

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2 boys who live 14 miles apart start at noon to walk toward each other at rates of 3mph and 4mph respectively. In how many hours will they meet

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brendonalexander brendonalexander

27-06-2018

After one hour, one guy has covered 3mi and the other 4mi, which is in total 7, not 14
After 2 hours, one guy has covered 6mi and the other 8mi, which is 14mi
The algebraic way would be:3x +4x = 14 *x being the hour7x = 14x =2

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