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Kay [80]
3 years ago
10

Ebony walked at arate of 3 1/2 miles per hour for 1 1/3 how far did she walk?

Mathematics
1 answer:
ElenaW [278]3 years ago
6 0

let's firstly convert the mixed fractions to improper fractions.


\bf \stackrel{mixed}{3\frac{1}{2}}\implies \cfrac{3\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{7}{2}}~\hfill \stackrel{mixed}{1\frac{1}{3}}\implies \cfrac{1\cdot 3+1}{3}\implies \stackrel{improper}{\cfrac{4}{3}} \\\\[-0.35em] \rule{34em}{0.25pt}


\bf \begin{array}{ccll} miles&hours\\ \cline{1-2}\\ \frac{7}{2}&1\\[0.8em] m&\frac{4}{3} \end{array}\implies \cfrac{~~\frac{7}{2}~~}{m}=\cfrac{~~1~~}{\frac{4}{3}}\implies \cfrac{7}{2m}=\cfrac{3}{4}\implies 28=6m \\\\\\ \cfrac{28}{6}=m\implies \cfrac{14}{3}=m\implies 4\frac{2}{3}=m

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subtract 6 , so, 3x - 6

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3x - 6 + 2 = 20

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Brilliant_brown [7]

Answer: 13%

Step-by-step explanation:

Step 1:

5000

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so...

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now we need to find the percentage change. For this we need to subtract the price with the 15% discount with the price BEFORE THE 25% was added

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Then.. divide this price with the original price before the 25% was added

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The PERCENTAGE PROFIT of the owner is 13%

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Answer:

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Step-by-step explanation:

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