poppies poppies
  • 26-03-2015
  • Mathematics
contestada

Granny's

She is not yet 80 but she is over 50. Last year her age was a multiple of 7 but this year it is a multiple of 6

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AllyConnors AllyConnors
  • 26-03-2015

She is 78 because you have to find what 7 goes into and what number is one more than that number has to be a multiple of 6


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