Respuesta :

Answer:

15 and 3

Step-by-step explanation:

Create system of equations:

[tex]a=5b[/tex]

[tex]a+b=18[/tex]

Substitute:

[tex]5b+b=18[/tex]

[tex]6b=18[/tex]

[tex]b=3[/tex]

Substitute:

[tex]a=5(3)[/tex]

[tex]a=15[/tex]

Therefore, the two numbers are 15 and 3

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