27-02-2020
Mathematics

contestada

Find the missing number: 50, ?, 155, 218,288

Respuesta :

amna04352 amna04352

27-02-2020

Answer:

99

Step-by-step explanation:

50 = 7(7) + 1

155 = 7(22) + 1

218 = 7(31) + 1

288 = 7(41) + 1

Numbers inside ( )

7, X, 22, 31, 41

X = 14

Missing term = 7(14) + 1 = 99

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