Question

- 5 then
If 5^n-y=25 and 5121 +2y.
=
the value of x and y​

Answer 1

Answer:

If x : y = 5 : 2, then (8x + 9y) : (8x + 2y) is

Put x = 5k and y = 2k

8x+2y

8x+9y

=

8×5k+2×2k

8×5k+9×2k

=

44k

58k

=

22

29

Hence ratio is 29:22

Step-by-step explanation:

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