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08-01-2015
Mathematics

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aaron walks from his sisters house to his cousins house, a distanceof 4 miles, in 80 minutes.how far does he walk in 30 minutes

Answer :

08-01-2015

Okay Aaron, he walks 1 mile in 20 minutes. Since we know that, we multiply 1/20 by 3 as the our numerator of 1 represents the mile and the denominator represents the time, he would travel a distance of 3 miles in 60 minutes.

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08-01-2015

[tex]4\ miles\ in\ 80\ minutes\\\\ x\ miles\ in\ 30\ minutes\\\\ proportion:\\ 4-80\\x-30\\\\ cross\ multiplication\\\\ 4*30=80x\\\\ 120=80x\ \ \ \ | divide\ by\ 80\\\\ x=1.5\\\\ He\ walked \ 1.5\ miles. [/tex]

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