Question

two numbers are in the ratio 3:4 when 5 added to each number, their ratio becomes, 7:9 , find the numbers​

Answer 1

Answer:

let the number be x

3x+5/4x+5=7/9

7x/5=7/9

7x=7/9×5

7x=35/9

x=35/9/7

x=35/9÷7

x = 35/9×1/7

x= 35/63

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Answer 2

Answer:

30 and 40 should be the answer

Step-by-step explanation:

Let us take the numbers as 3x and 4x

When 5 added to each 3x + 5 and 4x + 5

and the ratio becomes 7:9

We will do as

(3x + 5) / 7 = (4x + 5) / 9

9(3x + 5) = 7(4x + 5)

27x + 45 = 28x + 35

45-35 = 28x - 27x

10 = x

The first no. is 30 and second is 40

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