the monthly saries of two persons are in ratio of 3:5 if each recieves an increse of rs 20 in salary the ratio is altered to 13:21 find the respective salaries
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initial 3x and 5x
3x+20/5x+20=13/21
2x=160
x=80
salaries= 240 and 400
3x+20/5x+20=13/21
2x=160
x=80
salaries= 240 and 400
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