Determine 2685

Andrej and Jaro have a total of 540 euros. Their amounts are in the ratio of 1:8. Determine how much money each has.

Correct answer:

A =  60
J =  480

Step-by-step explanation:


A+J=540
8·A = 1·J

A+J = 540
8A-J = 0

Pivot: Row 1 ↔ Row 2
8A-J = 0
A+J = 540

Row 2 - 1/8 · Row 1 → Row 2
8A-J = 0
1.13J = 540


J = 540/1.125 = 480
A = 0+J/8 = 0+480/8 = 60

A = 60
J = 480

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