Posted by **mlb** on Sunday, November 25, 2007 at 6:42pm.

The length of a rectangle is 3 in. more than twice its width. If the perimeter of the rectangle is 18 in., find the width of the rectangle.

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**bobpursley**, Sunday, November 25, 2007 at 6:49pm
2w=l-3

2w + 2l=18

solve.

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**mlb**, Sunday, November 25, 2007 at 6:51pm
Thank you.

Can you help me with this one:

Stan invested $13,000, part at 17% and part at 2%. If the total interest at the end of the year is $1,910, how much did he invest at 17%?

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**DrBob222**, Sunday, November 25, 2007 at 7:58pm
Let Y = amount invested at 17%.

Then 13,000 - Y = amount invested at 2%.

Y + (13,000 - Y)*0.02 = 1910.

Solve for Y.

Your questions are likely to be ignored if you post follow questions to an earlier one. It is better to post a different question under Post a New Question rathan than to piggy back on one to which a response has been given.

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**mlb**, Sunday, November 25, 2007 at 8:37pm
Ok thank you

Now I am completely lost

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**DrBob222**, Sunday, November 25, 2007 at 8:41pm
You don't understand something about the answer? What? Please be specific.

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