The age of Lakshmi and Riya are the ratio of 5:7 .4 year letter the sum of their age will be 56 year. What are their present age
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The age of Lakshmi and Riya are the ratio of 5:7 .4 year letter the sum of their age will be 56 year. What are their present age
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Answer:
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Step-by-step explanation:
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Answer:
Lakshmi = 20 years old, Riya = 28 years old
Step-by-step explanation:
Current ratio:
Lakshmi : Riya = 5 : 7
4 years later:
Lakshmi : Riya = 5x + 4 : 7x + 4
Given that the sum of their age will be 56:
(5x + 4) + (7x + 4) = 56
5x + 4 + 7x + 4 = 56
12x + 8 = 56
12x = 48
x = 4
Find their present age:
Lakshmi = 5x = 5 x 4 = 20
Riya = 7x = 7 x 4 = 28
Answer: Lakshmi = 20 years old, Riya = 28 years old