dlevy20 dlevy20

20-06-2020
Mathematics

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the sum of two numbers is 100 and their product is 900.

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chatterjees25 chatterjees25

20-06-2020

Answer:

(90,10) (10,90)

Step-by-step explanation:

[tex]x+y=100\\xy=900[/tex]

now solve by substitution

[tex]x=100-y[/tex]

so

[tex]xy=(100-y)(y)=900[/tex]

your answers are: (90,10) (10,90)

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