Math Problem Statement
Tiga orang anak yaitu Manar, Norman, dan Opik masing-masing memiliki sejumlah
permen. Ketika dua perman Norman dan empat permen Opik diberikan ke Manar, rata-
rata jumlah permen mereka adalah 9. Jika permen Opik empat kurangnya dari jumlah
permen Manar dan Norman. Jumlah permen Norman setengah dari jumlah permen Opik
dan Manar. Selisih permen Opik dan Manar adalah
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Systems of Equations
Averages
Formulas
x + y + z = 27 (Total candy)
z = (x + y) - 4 (Opik's candy)
y = (x + z) / 2 (Norman's candy)
Theorems
Solving systems of linear equations using substitution
Suitable Grade Level
Grades 8-10
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