Ratios
What is the ratio that relates cats to dogs that describes the following statement: at the vet, there are 5 dogs for every 3 cats.
3:5
"Per" means..
1
A percent is a fraction over with what number as its denominator?
100
If there are 7 days per week, how many weeks is 28 days?
4 weeks or about 1 month
Question 5 Part A
6:30
True or False: 4:7 is equivalent to 24:49
False.
Interpret the following rate: 2 cups of flour per cup of milk.
There are 2 cups of flour for every 1 cup of milk.
True or False: 88% = 88
FALSE!!
If there are 5280 feet in 1 mile, how many feet are there in half of a mile?
2640 feet in half a mile
Question 8 Part B
100 students participate in after-school activities
Reduce the following ratio to its lowest terms: 99:11
9:1
To calculate the amount of kilometers per hour, you must do kilometers ____ hour
# of kilometers / # of hours
67% of 52
34.84
Easy bonus: how many feet are in a yard?
3 feet
Question 9
C: 100 total photos
If boat A is going 240 miles in 3 hours, and boat B is going 560 miles in 5 hours, which boat has the greatest speed?
Boat B @ 112 mph
Easy bonus: If a bike is travelling 20 miles in 2 hours, what is the unit rate in miles per hour
10 mph
Navi is doing their exam. They completed 21 questions so far. Ms. A says "Beautiful! You are 75% of the way there!" How many questions are there on the exam?
28 questions total
A zebra runs 15 miles in 30 minutes. What is the speed of the zebra in feet per second? (1 mile = 5280 feet)
44 ft/sec
Question 7
8 hours
The ratio of mass to volume for a type of metal is 27 grams to 10 cubic centimeters. A sample of the metal has a mass of 81 grams.
What is the volume, in cubic centimeters, of the sample of metal?
30 cubic centimeters
Another word for rate is...
Value of a ratio or multiplier
Ms. Ayala is grocery shopping. According to her list, she got 11 items in her cart. She notices she is only 44% done. How many items are on Ms. Ayala's shopping list?
25 items
A horse runs 36 miles per hour. The distance from Earth to the moon is about 238,855 miles. Approximately, how many weeks will it take a horse to run from Earth to the moon? Assume the horse runs at a constant speed, and assume there is actually a road from Earth to the moon.
39-40 weeks
Question 5 Part B
48 total animals