Question

please give me the solution of the question​

Answer 1

Step-by-step explanation:

Let the common Multiple be X

so, Age of Lakshmi = 5X and Ria = 7X

After 4 years Their Sum is

5X+ 4+7X+4 = 56

12X = 48

X = 4

so, present age of Lakshmi = 5X = 5× 4 = 20 years

Present age of Ria = 7X = 7×4 = 28

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Answer 2

Step-by-step explanation:

age of Lakshmi = 5x+4

age of Riya =7x+4

5x+4+7x+4=56

12x+8=56

12x= 56-8

12x= 48

X= 48 \12 = 4

age of Lakshmi = 5x = 5 ×4= 20

age of Riya = 7x = 7×4= 28