Question

If (5x + 2y): (7x + 4y) = 13 : 20, find x = y.​

Answer 1

Answer:

Step-by-step explanation:

(5x + 2y) : (7x + 4y) = 13 : 20

(5x + 2y) / (7x + 4y) = 13/ 20

20(5x + 2y) = 13(7x + 4y)

100x + 40y = 91x + 52y

100x - 91x = 52y - 40y

9x = 12y

3x = 4y

3x/y = 4

x/y = 4/3

x:y = 4:3

Answer 2

Answer:

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