Answer :

choixongdong

Answer:

x = 2

y = 3

Step-by-step explanation:

4/(4+x) = 10/15

10(4+x) = 4 * 15

40 + 10x = 60

10x = 20

  x = 2

6/y = 4/x

6/y = 4/2

6/y = 2

6 = 2y

3 = y or y = 3

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