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The sum of 5 consecutive odd numbers is 120. What is the third number in this sequence?
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The sum of 5 consecutive odd numbers is 120. What is the third number in this sequence?

User Swithinbank
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1 Answer

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Let the first number be x

1st number = x
2nd number = x + 2
3rd number = x + 4
4th number = x + 6
5th number = x + 8

x + x + 2 + x + 4 + x + 6 + x + 8 = 120
5x + 20 = 120
5x = 100
x = 20

3rd number = x + 4 = 20 + 4 = 24

Answer: 24

User Ashwinee K Jha
by
7.7k points
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