Posted by **yuku** on Thursday, February 25, 2010 at 7:03pm.

a gallon of floor paint will cover about 200 feet of concrete.the floor of harolds basement is 25 feet wide and 40 feet long.how many gallons of paint does harold need to put one coat of paint on the basement floor?

- geometry -
**Ms. Sue**, Thursday, February 25, 2010 at 7:06pm
Find the area of this rectangle.

Then divide it by 200 to find the number of gallons needed.

- geometry -
**yuku**, Thursday, February 25, 2010 at 7:11pm
MS. sue

i don't understand it

still

- geometry -
**yuku**, Thursday, February 25, 2010 at 7:12pm
what rectangle? and it doesnt show wahtz d length and d width?

- geometry -
**Ms. Sue**, Thursday, February 25, 2010 at 7:14pm
The basement floor is a rectangle. The length and width are given in the problem.

- geometry -
**yuku**, Thursday, February 25, 2010 at 7:17pm
ok so do i multiply the length times width or sumthing?

thank you

- geometry -
**yuku**, Thursday, February 25, 2010 at 7:19pm
i got 25 times 40 equals 1000

- geometry -
**Ms. Sue**, Thursday, February 25, 2010 at 7:23pm
Right. The area of the basement floor is 1,000 square feet.

Now, divide 1,000 by 200 to find the number of gallons needed.

- geometry -
**yuku**, Thursday, February 25, 2010 at 7:33pm
is it 5

- geometry -
**Ms. Sue**, Thursday, February 25, 2010 at 7:34pm
Right! Yay!! :-)

Harold needs 5 gallons of paint.

- geometry -
**yuku**, Thursday, February 25, 2010 at 7:39pm
thank you 'm trying my best to understand math

- geometry -
**Ms. Sue**, Thursday, February 25, 2010 at 7:43pm
You're welcome. And the more you work on math, the better you're understanding it.

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