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The first box costs $9.80 and contains 20 bags. The second box contains 30 bags and costs $13.50.



1. Which box is the better buy?

2. Write a mathematical argument that can be used to defend your solution. (Prove your answer in #1 is correct.)

Respuesta :

branchaumatthew
second box bc half of 20 is 10, which is how many more bags you’re getting with the second deal, 20+10=30, but the price only increases about 1/3rd of the first boxes price, therefore it’s a better deal

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