alexis1313 alexis1313
  • 11-01-2017
  • Mathematics
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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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bobby58 bobby58
  • 11-01-2017
[16]+18+20+22+24=100
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a1025074722
a1025074722 a1025074722
  • 11-01-2017
If x=first even number in sequence, then the next even number would be that number plus 2, plus 4, and so on. 

x + (x+2) + (x+4) + (x+6) + (x+8) = 100

5x+20=100
5x=80
x=16
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