Math Problem Statement
A bag of a dozen grapefruit was selling for $6.60. The produce manager added some grapefruit to the bag but did not change the $6.60 price. The price of a dozen grapefruit now was actually $4.40. How many grapefruit were added to the bag?
Solution
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Math Problem Analysis
Mathematical Concepts
Proportions
Unit Price Calculation
Formulas
Price per grapefruit = Total price / Number of grapefruit
New number of grapefruit = Total price / New price per grapefruit
Number of added grapefruit = New total number - Original number
Theorems
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Suitable Grade Level
Grades 5-7