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?

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

math  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?

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

math  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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