Math Problem Statement
amir menabung di rumah dengan teratur setiap bulan uang yang di tabung selalu lebih besar dari yang di tabung pada bulan sebelum nya. jumlah seluruh tabungan dalam 10 bulan ada 425.000 sedangkan dalam 15 bulan uang yang di tabung nya ada 825.000 yang di tanyakan bulan ke 20
Solution
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Math Problem Analysis
Mathematical Concepts
Arithmetic Sequence
Linear Equations
Formulas
Sum of n terms of an arithmetic sequence: S_n = (n/2) × (2a + (n-1)b)
General term of an arithmetic sequence: U_n = a + (n-1)b
Theorems
Arithmetic Series Formula
Suitable Grade Level
Grades 9-12
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