jarmijo1875 jarmijo1875
  • 02-09-2020
  • Mathematics
contestada

Which number completes the series: 1, 3, 6, 10, 15, ???

Respuesta :

Tootie1993
Tootie1993 Tootie1993
  • 02-09-2020

Answer:

21

best of luck!

Answer Link
flikitrix
flikitrix flikitrix
  • 02-09-2020

Answer:

21

Step-by-step explanation:

1 + 2 = 3

3 + 3 = 6

6 + 4 = 10

10 + 5 = 15

15 + 6 = 21

Hope it helps

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