the ratio of the present ages of yhe boy and a girl is 5:4. 4 years back the boy was 24 years old.What will be the age of the girl after 5 years later?
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Answer:
present ratio = 5:4 ,let constant ratio = x
Step-by-step explanation:
age of boy 4 years ago = 24
5x - 4 = 24 => x = 28/5
age of girl after 5 years
4x + 5 = 4(28/5) + 5 = 137/5
= 27.4 yrs = 27 + 4/10*12
= 27 yrs 4.8 months
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