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The sum of 5 consecutive even numbers is 100 what is the first number in this sequence
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5 votes
The sum of 5 consecutive even numbers is 100 what is the first number in this sequence

User Chech
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2 Answers

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20x5=100 so the first number in this sequence should be 20
User Imgen
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x + (x+2) + (x+4) + (x+6) + (x+8) = 100

5x+20=100
5x+20-20=100 - 20
5x=80
x=16
User Adi Levin
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7.7k points
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