stefanawalkerow381x stefanawalkerow381x

11-09-2017
Mathematics

contestada

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

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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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