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an orange and black book cover with the title problem of the week 12, written by va

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Math Competition Problems - Problem of the Week # 11

Amanda arranges the digits 1, 3, 5, and 7 to write a four-digit number. The 7 is next to the 1 but not to the 5. The 3 is next to the 7 but not to the 5. The four-digit number is divisible by 5. What is Amanda’s four-digit number? Source: MOEMS (Math Olympiad for Elementary and Middle Schools)