stefanawalkerow381x stefanawalkerow381x
  • 11-09-2017
  • Mathematics
contestada

A number is twice another number and their difference is 72.

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YKitty2004
YKitty2004 YKitty2004
  • 11-09-2017
so, x = 2y and x-y = 72
now, x-2y=0 and x-y=72
 
The numbers are 72 and 144.
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