math check
posted by angel .
Posted by TchrWill on Thursday, July 14, 2005 at 5:44pm.
2.)The sum of four consecutive odd
integers is 336. Set up an equation AND solve for all of the integers.
Two ways to approach this.
336/4 = 84 making the 4 consecutive odd numbers 81, 83, 85 and 87.
Alternatively:
x + (x + 2) + (x + 4) + (x + 6) = 336
I'll let you solve for the answer.
Let x be an odd integer.
Then x + (x + 2) + (x + 4) + (x + 6) = 336
==> 4x + 12 = 336
==> 4x = 348
==> x = 87
Then the four consecutive odd integers are:
==> x = 87
==> x + 2 = 85
==> x + 4 = 83
==> x + 6 = 81
is this right?
Yes. Did they add to 336? Are they consective odd integers?
1+1=3
Yes, you are correct angel.
If x=2/3 and y=3/4 then 10xy=60
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