Posted by **p** on Saturday, September 19, 2009 at 5:34pm.

There is a rectangular piece of land that measures 40ft by 70 ft in the middle there is a square sandbox that is 6 ft on each side the rest of the land is covered in grass what percent of the land is covered by grass rounded to the nearest tenth of a percent? 13.8 %

- math -
**Ms. Sue**, Saturday, September 19, 2009 at 5:38pm
No.

First, figure the total square feet (40 * 70 = ?).

Then figure the square feet in the sandbox.

Subtract the sandbox area from the total area.

Divide the smaller area by the larger area.

Now what do you get?

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**p**, Saturday, September 19, 2009 at 5:43pm
76.78%?

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**Ms. Sue**, Saturday, September 19, 2009 at 5:45pm
Nope.

What's the area of the whole piece of land?

What's the area of the sandbox?

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**p**, Saturday, September 19, 2009 at 10:31pm
0.987% 0.99%

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**Ms. Sue**, Saturday, September 19, 2009 at 11:08pm
You forgot to multiply the decimal answer by 100.

It's 98.7%.

In other words, nearly all of the piece of land is covered by grass.

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