The sum of two numbers is 40 and their difference is 4. the ratio of the two numbers is

Correct Answer:

Description for Correct answer:

A + B = 40A - B = 4\( \Large \therefore A = 22 \)B = 18

A : B = 22 : 18 = 11 : 9

Part of solved Ratio and Proportions questions and answers : >> Aptitude >> Ratio and Proportions

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The Sum of Two Numbers is 40 and Their Difference is 4

The sum of two numbers is 40 and their difference is 4. What are the two numbers? Let's start by calling the two numbers we are looking for x and y. The sum of x and y is 40. In other words, x plus y equals 40 and can be written as equation A:

x + y = 40

The difference between x and y is 4. In other words, x minus y equals 4 and can be written as equation B:

x - y = 4

Now solve equation B for x to get the revised equation B:

x - y = 4
x = 4 + y

Then substitute x in equation A from the revised equation B and then solve for y:

x + y = 40
4 + y + y = 40 4 + 2y = 40 2y = 36

y = 18

Now we know y is 18. Which means that we can substitute y for 18 in equation A and solve for x:

x + y = 40
x + 18 = 40
X = 22

Summary: The sum of two numbers is 40 and their difference is 4. What are the two numbers? Answer: 22 and 18 as proven here:

Sum: 22 + 18 = 40
Difference: 22 - 18 = 4

Sum Difference Calculator Do you want the answer to a similar problem? Enter the sum and difference here to find the two numbers:

The Sum of Two Numbers is 40 and Their Difference is 5

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