ICSE Class 9 Answered
In 5 years .Jagriti will be two -thirds as old as her aunt .Three years ago ,she was half as old as her aunt is now .How old are they now?
It's answer is Jagriti's age =17 years
her aunt 's age =28 years please tell me how
Asked by ayushmani1871 | 31 Jul, 2019, 11:45: AM
Expert Answer
Let the present ages of Aunt and Jagriti be x and y respectively.
According to the first condition, we get
y + 5 = 2/3(x + 5)
→ 3y + 15 = 2x + 10
→ 2x - 3y = 5 .... (1)
According to the second condition, we get
y - 3 = 1/2(x)
x - 2y = -6 .... (2)
Solving (1) and (2) simultaneously, we get
x = 28 and y = 17
Therefore the present ages of Aunt and Jagriti be 28 years and 17 years respectively.
Answered by Yasmeen Khan | 31 Jul, 2019, 01:41: PM
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