Two numbers

Determine the numbers x and y so x + y = 8 is truth and the numbers are in the ratio of 4: 5.

Result

x =  3.556
y =  4.444

Solution:


x+y=8
5x = 4y

x+y = 8
5x-4y = 0

x = 329 ≈ 3.555556
y = 409 ≈ 4.444444

Calculated by our linear equations calculator.







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To solve this example are needed these knowledge from mathematics:

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