Current ages of Avantika and Riddhima are in the ratio of 3 : 4 respectively. five years later, the ratio of their ages will become 7:9 respectively. What is Riddhima's current age in years? *
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Answer:
Let, the Avantika ages be 3x yrs.
and, Riddhima ages be 4x yrs.
After, 5 yrs
Avantika ages be (3x + 5) yrs.
and Riddhima ages be (4x + 5) yrs.
According to the question,
= 3x+5/4x+5 = 7/9
= 9(3x+5) = 7(4x+5)
= 27x+45 = 28x+35
= 45-35 = 28x-27x
= 10 = x
x = 10
Hence, the Age od Avantika 3x is 3×10 = 30yrs
So, the Age of Riddhima 4x is 4×10 = 40yrs.
I hope it help you
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