Two numbers are in the ratio 3:5. If the numbers are increased by 10 their ratio will become 5:7. What are the original numbers.
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Two numbers are in the ratio 3 : 5.
Let the common multiplayer be " x ".
So by the given condition
So the numbers are 3x = 3 × 5 = 15
5x = 5 × 5 = 25
Answered by
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Hey !!
Let the numbers are 3X and 5X.
According to the question,
( 3X + 10 / 5X + 10 ) = 5/7
7 ( 3X + 10 ) = 5 ( 5X + 10 )
21X + 70 = 25X + 50
25X - 21X = 70 - 50
4X = 20
X = 5.
First number = 3X = 3 × 5 = 15.
And,
Second number = 5X = 5 × 5 = 25.
Let the numbers are 3X and 5X.
According to the question,
( 3X + 10 / 5X + 10 ) = 5/7
7 ( 3X + 10 ) = 5 ( 5X + 10 )
21X + 70 = 25X + 50
25X - 21X = 70 - 50
4X = 20
X = 5.
First number = 3X = 3 × 5 = 15.
And,
Second number = 5X = 5 × 5 = 25.
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