To find the answer to "What two numbers have a product of 62 and a sum of 142?" we first state what we know. We are looking for x and y and we know that x • y = 62 and x + y = 142.
Before we keep going, it is important to know that x • y is the same as y • x and x + y is the same as y + x. The two variables are interchangeable. Which means that when we create one equation to solve the problem, we will have two answers.
To solve the problem, we take x + y = 142 and solve it for y to get y = 142 - x. Then, we replace y in x • y = 62 with 142 - x to get this:
x • (142 - x) = 62
Like we said above, the x and y are interchangeable, therefore the x in the equation above could also be y. The bottom line is that when we solved the equation we got two answers which are the two numbers that have a product of 62 and a sum of 142. The numbers are:
0.43797
141.56203
That's it! The two numbers that have a product of 62 and a sum of 142 are 0.43797 and 141.56203 as proven below:
0.43797 • 141.56203 ≈ 62
0.43797 + 141.56203 = 142
Note: Answers are rounded up to the nearest five decimals if necessary so the answers may not be exact.
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