Two numbers are in the ratio of 3:5 when 8 is added to both numbers ratio changes to 5:7 identify the both numbers
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Two numbers are in the ratio 3:5. If 8 is added to both the numbers, the ratio becomes 2:3. What is the larger number?
Let the rational between two numbers be x therefore
numbers will be 3x and 5x and their ratio 3x : 5x
If 8 is added to both the numbers, the ratio becomes 2:3.
⇒(3x + 8) : (5x + 8) = 2 : 3
☇Cross multiplication☇
⇒2 ( 5x + 8) = 3 (3x + 8)
⇒10x + 16 = 9x + 24
⇒10x - 9x = 24 - 16
⇒x = 8
⇰This the two numbers are
⇒3x = 3 × 8 = 24
⇒5x = 5 × 8 = 40
The larger number is 40.
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Answered by
22
Answer:
Step-by-step explanation:
Let the rational between two numbers be x therefore
numbers will be 3x and 5x and their ratio 3x : 5x
If 8 is added to both the numbers, the ratio becomes 2:3.
(3x + 8) : (5x + 8) = 2 : 3
(3x + 8) / (5x + 8) = 2 / 3
Cross multiplication
2 ( 5x + 8) = 3 (3x + 8)
10x + 16 = 9x + 24
10x - 9x = 24 - 16
x = 8
This the two numbers are
3x = 3 × 8 = 24
5x = 5 × 8 = 40
The larger number is 40
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