Question

If x: y = 7:5, then the value of (5x - 2y) :(3x + 2y) i

25/31 ans​

Answer 1

Answer:

25/31

Step-by-step explanation:

We can take the ratio as a multiple of k

now x = 7k and y = 5k

(5x - 2y) = 35k - 10k = 25k

(3x + 2y) = 21k + 10k = 31k

(5x - 2y) :(3x + 2y) = 25:31

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