Math Problem Statement
Nomor pegawai pada suatu pabrik terdiri atas tiga angka dengan angka pertama bukan nol. Banyak nomor pegawai yang merupakan kelipatan lima adalah... 150 200 240 100 180
Solution
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Math Problem Analysis
Mathematical Concepts
Combinatorics
Number Theory
Multiples of Numbers
Formulas
Total combinations = 9 × 10
Total combinations for multiples of 5 = combinations ending in 0 + combinations ending in 5
Theorems
Multiples of 5 end in 0 or 5
Suitable Grade Level
Grades 6-8
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