Math Problem Statement
長さの差が9cmの棒A,Bがあります。この2つを池の中にいれるとAは3分の2、Bは6分の5池に入った。池の深さは何cmですか?
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Proportions
Linear Equations
Formulas
B - A = 9
d = (2/3)A
d = (5/6)B
(2/3)A = (5/6)B
Theorems
Proportion and Ratio Theorem
Suitable Grade Level
Grades 6-8
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