Ratios
5 shovels of sand are mixed with 4 shovels of gravel to make cement. What is the number of shovels of gravel needed for 45 shovels of sand.
36 shovels of gravel
Christina biked 36 miles in 6 hours. If she biked at a constant speed, how many miles did she ride in one hour?
6 mph
Ricky made $600 in two weeks. Find the unit rate. (how much he was paid per week)
$300/week
30 buses can carry 1500 people. What is the number of people that can be carried by 5 buses.
250 people
A teacher is planning a class trip to the aquarium. The aquarium requires 2 chaperones for every 15 students. The teacher plans accordingly and orders a total of 85 tickets. How many tickets are for chaperones?
10 tickets for chaperones