Arithmetic 4495

Insert as many members of the arithmetic sequence between the numbers 8 and 20 that their sum is 196.

Correct answer:

v =  12

Step-by-step explanation:

sn=2a+an   n  s=196 a1=8 a2=20  n=a1+a22 s=8+202 196=14  v=n2=142=12



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