The cost of a 1 pop tart is $2. What is the unit rate of pop tarts to dollars?
2 because its 2$ per 1 pop tart
It took Jimmy 5 hours to travel 300 miles to SF. He drove home in the same time at the same rate. Was the number of hours travelled proportional to the distance on Jimmy's trip?
Yes it was. Total trip 600 miles in 10 hours.
Joe runs 1/2 a mile in 8 minutes. How long will it take him to run 1 mile?
1 mile is 16 minutes
The car travels 50 miles per 1 hour
The number of stars in the sky remains the same from day to day. Is the number of stars in the sky proportional to the time of day.
No
Laticia eats 1 pizzas in 20 minutes. How many pizzas can she eat in an hour?
3 pizzas because there are 60 minutes in an hour
A recipe yields 16 cookies for 1/2 cup of butter. What is the unit rate?
16 / 1/2 = 32 cookies per 1 cup of butter
If 7 people walk through a doorway every 30 minutes. How many people will walk through the doorway after 2 hours
28 because 14 walk through every hour
3/4 divided by 1/2 = 6/4 or 1 1/2
Hector runs 2 3/4 miles in 1/2 an hour. How far can he run in an hour?
6 1/2 miles because 2 times 2 3/4 is 6 1/2