Question

The ratio of two numbers is 5 : 4. If the sum of the numbers is 45, the first number will be​

Answer 1

Step-by-step explanation:

First,

x/y = 5/4 => 4x = 5y => x=5y/4

x + y = 27

=> 5y/4 + y = 27

=> 9y/4 = 27

=> y = 12 (we got y)

Now,

x + y = 27

=> x + 12 = 27 (putting the value of y)

=> x = 27 - 12

=> x = 15 (we got x)

So, the two numbers are 15 and 12.

Answer 2

Given,

The ratio of two numbers is 5:4

Let the first and the second number be 5x and 4x respectively.

A/Q

5x+4x= 45

=>9x=45

=>x=5

Therefore,the first number (5x)= 5*5= 25

Hpe it clears all your doubts☺️☺️

Please mark me the brainiest answer.