SOLUTION: The first number in an arthimetic sequence is 20. The fifth number is 37. Find the second number.
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Question 645642: The first number in an arthimetic sequence is 20. The fifth number is 37. Find the second number.
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
20,w,x,y,z,37
w+x+y+z=37-20
w+x+y+z=17
17/4=4.25 the average increase in numbers.
20+4.25=24.25 ans for the second number.
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