Ammar hikes 2 3/4 miles of nature trail in 1 hour and 15 minutes.How many miles of trail does Ammar hike per hour?

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02-12-2014
Mathematics

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Ammar hikes 2 3/4 miles of nature trail in 1 hour and 15 minutes.How many miles of trail does Ammar hike per hour?

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luana luana · Answer 1 · 2014-12-02T22:48:56+01:00

luana luana

02-12-2014

[tex]1\ hour\ 15\ minutes=1,25\ hours \\ \frac{3}{4}miles= 0,75\ miles\\\\ 0,75\ miles\ in\ 1,25\ hours\\ x\ miles\ in\ 1\ hour\\\\making\ proportion\\ 0,75-1,25\\ x-1\\\\cross\ multiplication\\\\ 0,75=1,25x\ \ \ | divide\ by\ 1,25\\\\ x=0,6\\\\ In\ 1\ hour\ Ammar\ hikes\ 0,6\ miles.[/tex]

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