SUP111
SUP111 SUP111
  • 03-05-2016
  • Mathematics
contestada

what is ? + 57 = 73

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babyhippo85296 babyhippo85296
  • 03-05-2016
16 + 57 = 73 
I hope that helps! 
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shadow35
shadow35 shadow35
  • 03-05-2016
First you have to subtract 57 from 73 to get the mystery number and you get 16.Then you can check if it works out which it does 16+57=73.
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