Homework Help: math check

Posted by angel on Sunday, July 17, 2005 at 7:17pm.

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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