SOLUTION: The sum of ten consecutive multiples of fours is 140. What is the largest of the ten numbers?

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Question 890394: The sum of ten consecutive multiples of fours is 140. What is the largest of the ten numbers?
Found 2 solutions by Fombitz, MathTherapy:
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!






The largest is


Answer by MathTherapy(10858)   (Show Source): You can put this solution on YOUR website!
The sum of ten consecutive multiples of fours is 140. What is the largest of the ten numbers?
Use the formula for the sum of an arithmetic progression (AP) to determine the value of , the 1st term. 

Be reminded that d, or the common difference is 4, since the terms differ by 4 (the terms are CONSECUTIVE multiples of 4)

Using  or the value of the 1st term, determine , or the value of the 10th term.