kasey18 kasey18
  • 08-05-2017
  • Mathematics
contestada

The sum of two numbers is 42 and the difference is 18

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lexiramnarace
lexiramnarace lexiramnarace
  • 08-05-2017
30 and 12 because add them together and they get 42 and subtract them they are 18.
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irspow
irspow irspow
  • 08-05-2017
let b>a

b-a=18

b=18+a and we are told that:

a+b=42, using b from above we have:

a+18+a=42

2a+18=42

2a=24

a=12, since b=18+a

b=30

So the two numbers are 12 and 30.
Answer Link

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