Posted by p on .
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,
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,
76.78%?

math 
Ms. Sue,
Nope.
What's the area of the whole piece of land?
What's the area of the sandbox? 
math 
p,
0.987% 0.99%

math 
Ms. Sue,
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.