Question

17.5, 31 ,58 ,98..5 ,152.5 ,? number series how please explain in detail​

Answer 1

Answer:

220

Step-by-step explanation:

17.5 31 58 98.5 152.5 220

13.5 27 40.5 54 67.5  

13.5 13.5 13.5 13.5  

First rows shows the series.

Second row shows the difference between each of the series number

Third row shows that the constant 13.5 difference on 2nd row.

So the answer is 220.

Explanation :

17.5+13.5 = 31

31+27 = 58

now 27-13.5 = 13.5

Similarly,

31+27 = 58

58+40.5=98.5

40.5-27=13.5..

Mark me brainliest :)