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Given that x: y = 10:9 and x - y = 122, find the value of x + y.
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Given that x: y = 10:9 and x - y = 122, find the value of x + y.

User Lunchbox
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1 Answer

4 votes

Answer:

2318

Explanation:


  1. (x)/(y) = (10)/(9)

  2. x = (10y)/(9)

  3. (10y)/(9) - y = 122

  4. (10y - 9y)/(9) = 122

  5. (y)/(9) = 122

  6. y = 9 * 122 = 1098

  7. x - y = 122 \\ y = 1098 \\ x = 122 + 1098 = 1220

  8. x + y = 1220 + 1098 = 2318 \\ x + y = 2318
User Giordanolima
by
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