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the sum of 2 numbers is 22. 2 times the first number is 10 times the second. what are the numbers

Sagot :

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Answer:

Step-by-step explanation:

Set the two unknown numbers to X and Y.

X + Y = 22

2X = 10Y

Rewrite the second equation as:  X = 5Y

Now use this in the first equation:   6Y=22

Y = 3.67  [3 2/3]

X = 18.33 [18 1/3]

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3 2/3 + 18 1/3 = 22, and

2*(18 1/3) = 10*(3 2/3)

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