Question

present age of raju is x years
present age of raju is y years
there ratio of there ages is 3:4
write the equation 1
.
Add 4 years to their ages
ratio of there ages 4:5
write equation 2

.
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Answer 1

multiply ratios with x

3x +4x

3x=4x

3=4x^2

Answer 2

Step-by-step explanation:

https://meet.google.com/mkq-pzby-qro