Math Problem Statement
Divya and Bhabya went to the market to buy some gifts for their friend Momita's birthday. Divya had Rs.80 in her bag while Bhabya had Rs.85. Divya had coins of denominations Rs.2 and Rs.5, Bhabya had coins of denominations Rs.1 and Rs.2 and the ratio of the number of coins of both was 5:6. Based on the above information answer the following questions. (i) Write an equation to find the number of coins in Divya's bag. (ii) Write an equation to find the number of coins in Bhabya's bag. (iii) Find the number of Rs. 2 coins in Bhabya's and also in Dibya's bag.
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Ratio and Proportion
Linear Equations
Formulas
2x + 5y = 80 (Divya's equation)
m + 2n = 85 (Bhabya's equation)
6m = 5n (Ratio of Bhabya's coins)
Theorems
Basic principles of linear equations
Ratio and Proportion theorem
Suitable Grade Level
Grades 6-8
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