Question

the sum of three number is 25.the second number is twice the first . the third number number exceeds the second by 5 . find the number

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Let the first number be x

Since the second number is TWICE the first number, we should multiply x with 2, so we write it as 2x

Since the third number exceeds or is added to the second number by 5, we write it as 2x+5

And the sum of the 3 numbers is 25

So, the equation is: x + 2x + (2x + 5) = 25

And then we solve the equation,

x + 2x + (2x + 5) = 25

3x + 2x + 5 = 25

5x + 5 = 25

5x = 25-5

5x = 20

x = 20/5

x= 4

Therefore, the value of x is 4

Verification:

We can verify whether our answer is correct:

Let's see what x + 2x + (2x + 5) adds up to....

So x is 4.....

4 + 8 + 13

These three numbers add upto 25....

Therefore our answer is correct.

Thank You, hope it helps.....