I can't seem to figure out why this answer is wrong. It looks the same as in the book, but it doesn't seem to work out the time.
http://img.photobucket.com/albums/v3...earalgebra.jpg
I can't seem to figure out why this answer is wrong. It looks the same as in the book, but it doesn't seem to work out the time.
http://img.photobucket.com/albums/v3...earalgebra.jpg