Math, asked by antarabanerjee24, 1 year ago

If a :b = 3:4 and x:y= 4:5 then
(4a-b) ÷ (5b-7a) = ?

Answers

Answered by jay272

1

Answer:

4×3x-4x ÷ 5×4x-3x

12x-4x÷20x-3x

8x÷17x=

0.470

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