How to solve, A reservoir is 3 1/4 miles wide. Tony sails 4/5 the width of the reservoir. About how far did Tony sail?

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asked Dec 14, 2018 134k views

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Dylan Bettermann · Answer 1 · 2018-12-18T12:10:21+0000

well, how much is 4/5 of 3 and 1/4? well, is just their product, thus, firstly, let's change the mixed fraction to "improper" and proceed,

$\bf \stackrel{mixed}{3(1)/(4)}\implies \cfrac{3\cdot 4+1}{4}\implies \stackrel{improper}{\cfrac{13}{4}}\\\\ -------------------------------\\\\ \cfrac{4}{5}\cdot \cfrac{13}{4}\implies \cfrac{13}{5}\implies 2(3)/(5)$

How to solve, A reservoir is 3 1/4 miles wide. Tony sails 4/5 the width of the reservoir. About how far did Tony sail?

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