Asked by stacy

when asked how many pennies she had a collector said If I arrange them in stacks of five, none are leftover if I arrange them in stacks of six, none are leftover if I arrange them in stacks of seven one is left over. What is the least number of coins she could have
Answered by PsyDAG
5 and 6 are factors, but 7 is not.

Explore multiples of 30.
Answered by mercy
she has 30 coins it can be divide by 5 and 6 and 7 but two will be left over
the least number of coins she could have would be 28
since it only two number away from 30
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