Terry has between 50 and 100 pennies and her piggy bank. She can count them two at a time and come out even. She can also count them three and five at a time and come out even. She cannot count them 4 at a time and come out even. How many pennies does she have? Who cares I don't wanna do this math

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21 October, 14:50

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Hansen · Answer 1

Your answer is 90 because 2,3,5 are factors of 90 but 4 is not a factor of 90.