Math Problem Statement
Lucy and Bean have 45 marbles together. After losing 5 marbles each, the product of the number of marbles they have now is 124. Find out how many marbles they had to start with.
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Systems of Equations
Quadratic Equations
Formulas
x + y = 45
(x - 5)(y - 5) = 124
Quadratic equation formula: ax^2 + bx + c = 0
Theorems
Quadratic Formula
Suitable Grade Level
Grades 9-10
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