Question

what number must be subtracted from each team of the ratio 17:33 so that the ratio becomes 7:15 ?

Answer 1

Let the required number is x,


(17 - x) : (33 - x) = 7 : 15 

15(17 - x ) = 7(33 - x )

255  - 15x = 231 - 7x 

255 - 231 = - 7x + 15x 

24 = 8x 

24/8 = x 

3 =  x 


3 should be subtracted 

Answer 2

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