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| Math Central | Quandaries & Queries |
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Question from Khiya, a student: Mr. Schneider's mass is 2 digits. The first digit is 3 times the second digit. Both digits are odd numbers, and his mass is greater than 35 kg. What is Mr. Schneider's mass? |
Hi Khiya,
If the first digit is 3 times the second digit then the first digit is a multiple of 3. Hence the first digit must be 0, 3, 6 or 9. In each case what is the second digit?
Penny
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