Math, asked by nishantkumar015, 1 year ago

the ratio of X and Y is 13:15. if the earnings of X increases by 20% and earnings of Y decreases by 20% the new ratio of their earnings become 13:10. what is x earnings

Answers

Answered by peethalaravi2003

0

13x+20:15x-20=13/10
(13x+20)10=(15×-20)13
130x+200=195×-260
195×-130×=460
65×=460
X=7
13×=91

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