Asked by Derpy

A book is in the shape of a right rectangular prism.
It measures 8 1/2 in. tall, 7 in. wide, and 2 1/2 in. thick.
Answered by Ms. Sue
Do you have a question about this book?

Answered by Derpy
oh yeah what is the volume of the book sorry
Answered by Ms. Sue
V = lwh
V = 8.5 * 7 * 2.5

V = ________ cubic inches
Answered by Derpy
So how many cubic inches...Or how do I do it...
Answered by Ms. Sue
* means multiply
Answered by Derpy
Thank you so much...Are you the only answerer on here???
Answered by Derpy
And can you answer this....A rectangular prism has a length of 15 1/4 cm, a width of 8 cm, and a height of 2 1/4 cm.

Enter the volume of the prism as a mixed number in simplest form in the box.
Answered by Ms. Sue
It looks like I'm the only one on Jiskha right now.

And you are welcome.
Answered by Ms. Sue
Your last problem is done the same way. You can multiply the fractions. Or you can multiply the decimals and change the answer to a mixed number.

Answered by Derpy
Oh wow, thanks...Have a great day
Answered by Ms. Sue
You're welcome. You too.

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