Math Problem Statement
A youtuber decides to launch limited edition merchandise that includes bags, shoes and jackets. In 2018, she launches the merchandise in the ratio 2:3:4, respectively. In 2019, she removes 'n' items from each type of merchandize launched in 2018 so that the new ratio is 3:5:7.
Similarly, in 2020, she removes 10 items from each type of merchandise produced in 2019 so that the ratio is 1:2:3.
What is the total number of items that were removed from the merchandise launched in 2019?
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Ratio and Proportion
Systems of Equations
Formulas
Ratio equation: (Quantity 1)/(Quantity 2) = (Quantity 3)/(Quantity 4)
Cross multiplication: a/b = c/d implies a * d = b * c
Theorems
Cross-multiplication theorem
Suitable Grade Level
Grades 8-10