The sum of two consecutive odd integers is 56. What is the smaller number?
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OpenStudy (anonymous):
@ikatouni @undeadknight26
OpenStudy (cwrw238):
n + n + 2 = 56
OpenStudy (anonymous):
do u want the choices??
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
is it 56?? @ikatouni
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OpenStudy (cwrw238):
no
solve the equation for n
what do u get?
OpenStudy (anonymous):
ok!! thanks!!
OpenStudy (anonymous):
The sum of the two is n + (n+2) = 56. Now go solve it
OpenStudy (cwrw238):
2n + 2 = 56
can you find what n is?
OpenStudy (anonymous):
@faylynn find the ,issing numbed
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undeadknight26 (undeadknight26):
hmm may i offer a easier solution? take 56/2 = 28
28 + 28 = 56
-1 +2
27 + 29 = 56....does this help you any?
OpenStudy (anonymous):
@faylynn if you add 2 to the smaller odd number you end with the larger odd number
y = x + 2
sum:
`````` x + y = 56
substitute with y = x + 2 into x + y = 56
x + y = 56
x + (x +2) = 56
2x + 2 = 56
2x = 54
x = 27
y = x + 2
y = 27 + 2
y = 29
smaller number = 27
OpenStudy (anonymous):
ok!! hang on!!
OpenStudy (anonymous):
@faylynn ur answer is 27
undeadknight26 (undeadknight26):
You guys got it! Now let me go to taco bell before breakfast is off ;-;
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OpenStudy (anonymous):
thanks!! both of u!! i cant give u both a medal!! but can fan!! lolz