Math, asked by pedusharma99999, 4 months ago

Ratio Analysis 21
11. Two numbers are in the ratio of 7: 9. If 6 is deducted from both the
numbers, the ratio becomes 5: 7. Find the numbers.
[21 & 27]​

Answers

Answered by Ap839485
1

Step-by-step explanation:

let the number be 7x and 9x

6 is deducted from both= 7x-6

9x-6

ATQ

7x-6 = 5

9x-6 7

by cross multiplications

7(7x-6) = 5(9x-6)

49x-42= 45x-30

49x-45x= -30+42

4x = 12

x = 12

4

x = 3

so, 7x=7×3=21

9x=9×3=27

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