Question

14 - ______=17
15 60​

Answer 1

Answer:

This is an alternating addition and subtraction series.

In the first pattern, 10 is subtracted from each number to arrive at the next.In the second, 5 is added to each number to arrive at the next.

First pattern (80) (80 - 10 = 70) (70 - 10 = 60) (60 - 10 = 50)

Second pattern (10) (10 + 5 = 15) (15 + 5 = 20)So the answer is a = 20.

Answer 2

Answer:

31 is the correct answer

Step-by-step explanation:

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