pencils which price is better and why?

Mathematics
Tutor: None Selected Time limit: 1 Day

You are trying to decide whether to buy a

package of 20 yellow Math  pencils for $1.25 or a package of 15 rainbow Math pencils

for $1.09. Which one is a better buy and why?

Sep 30th, 2015

Thank you for the opportunity to help you with your question!

Buying 20 yellow math pencils is better because of the cost per unit. Cost per unit of the yellow pencils is  $0.0625 while cost per unit of the rainbow pencil is $0.073.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 30th, 2015

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Sep 30th, 2015
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Sep 30th, 2015
Dec 5th, 2016
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