olivia1231 olivia1231
  • 02-11-2016
  • Mathematics
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sally and marta Had the same number of postcards. After sally sold 18 of her postcards,Marta had 4 times as many post cards as sally How many post cards did each girl have to begin with?

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anthony232
anthony232 anthony232
  • 02-11-2016
The answer is 20 okay
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