jamieungaro jamieungaro
  • 05-08-2020
  • Mathematics
contestada

What’s the next number is this series 31,29,24,22,17,

Respuesta :

ethanlo888
ethanlo888 ethanlo888
  • 05-08-2020

Answer:

15

Step-by-step explanation:

Just find out the pattern.  It is decreasing, so let's find out how much it is decreasing by.

31-29= -2

29-24= -5

24-22= -2

22-17= -5

The pattern is -2, -5, -2, -5... So the next one should be -2 again!  17-2=15.

Remember, a pattern doesn't always have to be subtracting, adding, dividing, or multiplying at a constant number!  It can switch between two, like this problem!

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