The sum of four consecutive odd numbers is 80. Find the numbers
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Loulakar:
A odd number is : (2n + 1) + (2n + 3) + (2n + 5) + (2n + 7) = 80 because whatever is n, the number is always odd whereas n can be even or odd
here 2n+1 is an odd since 2n is an even.I take n as an odd no.so, n+2 represents an odd.right?
either we take simply x and x+2 or x+1 and x+3, both are correct
ysss
u can start it from anywhere
it doesn't shows that it is even or odd
The sum of Four consecutive odd number : n is Not a odd number so that 2n + 1 is a odd number
2 x 0 + 1 = 1 ; 2 x 1 + 1 = 3 ; 2 x 2 + 1 = 5 etc...
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let the no.s be n,n+2,n+4 and n+6 respectively.given that the sum of the no.s is 80 . =>n+n+2+n+4+n+6=80 =>4n+12=80 =>4n=68 =>n=17. that is,the no.s are 17,19,21 and 23
For example, n = 2 it’s Not a odd number, n + 2 = 2 + 2 = 4 it’s Not a odd number
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