Ratios
                George read 32 pages of a book in 4 minutes. How many pages did he read in 1 minute?
8 pages per minute
The science materials cost $63 to do the experiment. If 9 students participated in the experiment, what was the unit cost per student?
$7
Rose spent $2.00 for 20 pieces of gum. Joe spent $1.50 for 10 pieces of gum. Who got the better deal?
Rose got the better deal.