Math Problem Statement

Diketahui harga 6 buah buku tulis dan 4 buah pensil adalah Rp. 12.000,00 harga 4 buah buku tulis dan 3 buah pensil adalah Rp. 9.500,00. Maka berapakah jumlah harga 5 buah buku tulis dan 7 buah pensil?

Solution

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Systems of Linear Equations
Elimination Method

Formulas

6x + 4y = 12.000
4x + 3y = 9.500
5x + 7y = Total

Theorems

Elimination Method in solving systems of linear equations

Suitable Grade Level

Grades 8-10