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Marat540 [252]
4 years ago
11

The sum of 5 consecutive odd numbers is 145. What is the third number in this sequence?

Mathematics
1 answer:
Marina86 [1]4 years ago
6 0
The answer is 29 

let n be the first of the consecutive odd numbers
⇒ n, n+2, n+4 n+6, n+5
represent 5 consecutive odd numbers
sum = n+ (n+2) + (n+4) + (n+6) + (n+8) = 5n+20
⇒ 5n +20=145 
Solve for n = 25

25, 27, 29, 31, 33

25+27+29+31+33=145
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