Ratios
2+(-7)
-5
The science materials cost $65.70 to do the experiment. If 9 students participated in the experiment, what was the unit cost per student?
$7.30
3-5
-2
(-2) x 5
-10
30 buses can carry 1500 people. What is the number of people that can be carried by 5 buses.
250 people
Rose spent $2.00 for 20 pieces of gum. Joe spent $1.50 for 10 pieces of gum. Who got the better deal and why?
Rose got the better deal. She got one piece for $0.10 and Joe spent $0.15 for one piece.
(-7) x (-3)
21
(-24) divided by (-3)
8