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## #1 2017-11-23 16:29:20

**shakeel123****Moderator**- Registered: 2017-09-21
- Posts: 50,796

### If the sum of two numbers is 13 and the difference of the numbers...

# Armed Forces Police Math Exams Quizzes MCQs Quizzes Equation

**Question:**

If the sum of two numbers is 13 and the difference of the numbers is 23, what is the product of the numbers?

**Option A):**

36**Option B):**

0**Option C):**

18**Option D):**

-90**Option E):**

-23

**Correct Answer is Option D):**

-90

**Explanation:****Solution:**

Represent the numbers by a and y. Then x +y = 13 and x - y = 23. Noe add the equations:

x + y = 13

x - y =23

2x = 36 → x = 18

So 18 + y = 13 → y = -5. Finally, the product xy = (18)(-5) = **-90**

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## 2017-11-23 16:29:20

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### Re: If the sum of two numbers is 13 and the difference of the numbers...

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