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25-10-2018
Mathematics

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A book store was selling 5 books for $27.75. Online the you could buy 6 books for $32.16. Which place has a lower unit price

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trevordoyleione trevordoyleione

25-10-2018

27.75/5 = $5.55 per book
32.16/6 = $5.36 per book
The online store is the cheapest because it has the lowest unit rate

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