Question

the sum of two numbers,one of which is 3-4th of the other is 9.find the smaller number​

Answer 1

Answer:

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the sum of two numbers,one of which is 3-4th of the other is 9.find the smaller number

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Solving for x by substitution:

y is the first number and x is the second.

y-x = 9 and x = 3/4 y

Since x = 3/4 y, substitute it into the first equation to get:

y-3/4 y = 9.

y = 1 y = 4/4 y, so (4/4 – 3/4)y = 9

1/4 y = 9

Multiply both sides by 4 to get:

y = 36

Substitute this into either of the original equations to get:

36-x = 9 or x = (3/4) 36

Now you can take the problem two ways, depending on personal preference.

For the left:

Add x-9 to both sides:

x = 27.

Answer 2

Let first number be x

then, another number will be 3x/4

A/Q,

x +3x/4 =9

(4x+3x)/4 = 9

4x + 3 = 9×4

4x = 36 - 3

x = 33/4

one number(x) =33/4

another number=3/4 ×33/4

=99/16

I hope this may help you.

Mark as brainliest