the ages of Hari and Harry are in ratio of 5:7 four years from now the ratio of their ages will be 3:4 find there present age.
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let hari s age be 5x and Harry s age be 7x...
four yrs later Harry = 7x +4 hari=5x+4
as per question...,,,,
5x+4/7x+4=3/4 ( ratio brought to fractions)
or,20x+16=21x+12
or,20x-21x=12-16
or,- x= -4
or,x=4(cancelling minus from both side)
hari= 5x =5×4= 20 years
Harry = 7x=7×4=28 years
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four yrs later Harry = 7x +4 hari=5x+4
as per question...,,,,
5x+4/7x+4=3/4 ( ratio brought to fractions)
or,20x+16=21x+12
or,20x-21x=12-16
or,- x= -4
or,x=4(cancelling minus from both side)
hari= 5x =5×4= 20 years
Harry = 7x=7×4=28 years
if u find this helpful MARK ME AS BRAINLIEST
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