Can someone please help me????

Question

anonymous · Answer

Water weighs about 63 pounds per cubic foot, and a cubic foot of water is about 7.5 gallons.

A king-size waterbed mattress measures 5.5 feet by 8 inches deep. To the nearest pound, how much does the water in this waterbed weigh??

anonymous · Answer

@abc123! @Mertsj @SnuggieLad @RadEn @luckythebest

mertsj · Answer

Find the volume of the mattress

anonymous · Answer

k hold on plz

anonymous · Answer

@Mertsj  isn't it so that for volume we need 3 dimensions; while we have only two?

anonymous · Answer

would the volume be 286 ?? @Mertsj

mertsj · Answer

Be sure to change the 8 inches to 2/3 feet..

mertsj · Answer

Also...

anonymous · Answer

oh ok then it would be...

mertsj · Answer

the dimensions of the mattress are unclear.  Is it 5.5 feet by 5.5 feet y 8 inches?

anonymous · Answer

23.83333

anonymous · Answer

Oh shoot...

mertsj · Answer

So just to clarify...the bed is 5.5 by 6.5 by 2/3?

anonymous · Answer

lol i messed up in the question.. its 5.5 feet by 6.5 feet by 8 inches deep SRY!!

mertsj · Answer

So the volume is...

anonymous · Answer

23.8

mertsj · Answer

cubic feet.  Yes.  I agree.  How much does each cubic foot of water weigh?

anonymous · Answer

Water weighs about 63 pounds per cubic foot, and a cubic foot of water is about 7.5 gallons.

mertsj · Answer

Each cubic foot of water weighs 63 pounds and the mattress contains 23.8 cubic feet.  How much does all that water weigh?

anonymous · Answer

idk how do i find tht out??

mertsj · Answer

We have to teach you this concept.  Do you ever babysit?

mertsj · Answer

If you did babysit, how much would you charge for 1 hour?

anonymous · Answer

idk i never babysat...

mertsj · Answer

Let's say you would charge $5 per hour, ok?

anonymous · Answer

kk?? where is this going??

mertsj · Answer

Teaching you the key concept that you need for this problem.

mertsj · Answer

If you babysat for 7 hours, you would get 7(5) dollars.  Do you understand that?

anonymous · Answer

yurp

mertsj · Answer

Another example:   1 cup is 8 ounces so 15 cups would be 15(8) ounces.  Agree?

anonymous · Answer

Yes, can we get to the point??

mertsj · Answer

Here it is:  1 cubic foot of water weighs 63 pounds so 23.8 cubic feet of water weighs???

anonymous · Answer

brb i have to be afk for a couple minutes, sorry  would it be 63 * 23.8 ?? brb

anonymous · Answer

@Mertsj

anonymous · Answer

@luckythebest  can u help me??

anonymous · Answer

yes what you told is correct. if 1 cu. ft = 63 then 23.8 = 63 x 23.8 :)

anonymous · Answer

So what would the answer be to the question?? @luckythebest @Mertsj

anonymous · Answer

@luckythebest @Mertsj Please don't leave me hanging!!

anonymous · Answer

1499.4 pound

mertsj · Answer

Directions said round to the nearest pound.

anonymous · Answer

then 1499.

anonymous · Answer

oh ok then Thanks Guys!!