Question

the ratio of two number is 5:9 if each number is increased by 9 the ratio become 16:27 find the second number​

Answer 1

Answer:

15 and 27

Step-by-step explanation:

Let the two numbers be 5x and 9x.

(5x-5)/(9x-5) = 5:11

(5x-5)*11 = (9x-5)*5

55x – 55 = 45x – 25

10x = 30

x = 3

Therefore, the numbers are 15 and 27

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Answer 2

Answer:

Answer => (C)20&30

Step-by-step explanation:

Ok so Her it is,

Let the ratios be 2x and 3x respectively,

so,

\frac{2x+5}{3x+5} = \frac{5}{7}

3x+5

2x+5

=

7

5

so,

7(2x+5) = 5(3x+5)

14x + 35 = 15x + 25

14x - 15x = 25 - 35

-x = -10

x = 10

then thde numbers are 20 & 30 respectively..