2. e) The present ages of Shalini and Raju are in the ratio 3:4. If the ratio of their ages becomes 5:6 after 12 years, then the age of Raju after 5 years is 24.Is it true or false please say it fast
Answers
Answered by
1
Answer:
yes it's true
Step-by-step explanation:
use variables x and you like 3x and 4x and substitute you will get the value of as 24
hope it helps please mark me as brainlist
Answered by
0
Step-by-step explanation:
present ages ratio = 3:4
After 12 years = 5:6
(3x+12)/(4x+12) = 5x/6x
[cross multiplication]
(3x+12)(6x) = (5x)(4x+12)
18x² + 72x = 20x² + 60x
18x² - 20x² = 60x - 72x
- 2x² = - 12x
2x² = 12x
x = 12x/2x
x = 6
Present age of Shalini = 3×6 = 18
Present age of Raju = 4×6 = 24
Raju's age after 5 years = 24 + 5 = 29
Hence, it is false
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