joesharpe3825 joesharpe3825
  • 26-02-2018
  • Mathematics
contestada

The sum of two numbers is 100 and their difference is 6 what are the two numbers

Respuesta :

dannielle
dannielle dannielle
  • 26-02-2018
a+b=100
a-b=6    ⇒ a= b+6

(b+6)+b=100
2b+6=100
2b=100-6
2b=94
b=94:2
b=47
a=47+6
a=53
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