maths
posted by
derek on
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iam a common multiple of 3 & 7 my digits have a total of 9

maths 
Ms. Sue,
Multiples of 7:
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, etc.
Which of these is also divisible by 3 and whose digits add up to 9?

maths 
shah,
Multiple of 3&7