Math Problem Statement
The sum of three consecutive even number is 60. What is the third number?
Group of answer choices
24
26
22
20
Solution
Let's denote the three consecutive even numbers as , , and .
The sum of these numbers is given as 60:
Simplifying the equation:
Subtract 6 from both sides:
Now, divide by 3:
So, the three numbers are 18, 20, and 22. The third number is:
The correct answer is 22.
Would you like more details or have any questions? Here are some related problems:
- What is the sum of four consecutive odd numbers if the smallest is 11?
- Find the average of three consecutive even numbers whose sum is 72.
- What are the three consecutive numbers if their sum is 51?
- Find three consecutive multiples of 5 whose sum is 75.
- If the sum of two consecutive even numbers is 86, what are the numbers?
Tip: When dealing with consecutive numbers, using algebraic expressions helps to set up and solve equations quickly.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Consecutive Numbers
Formulas
x + (x + 2) + (x + 4) = 60
Theorems
Basic properties of linear equations
Suitable Grade Level
Grades 6-8