Basic Ratios
For every 2 males birds in a bird cage there are 5 females. What is the ratio of males to females?
2:5
2 to 5
Are 2 : 3 and 10 : 15 equivalent?
Yes
Find the unit rate.
Jennifer makes 14 bracelets in 2 hours.
7 bracelets per hour
Solve for m in the proportion below.
5 : 6 = 15 : m
m = 18
3 pints = _______ cups
6 cups
For every 5 cars in a parking lot there are 6 trucks. What is the ratio of trucks to cars in the parking lot?
6:5
6 to 5
Are 8 : 12 and 4 : 5 equivalent?
No
Find the unit rate.
You read 165 pages in 3 hours.
55 pages per hour
Solve for x in the proportion below.
6 : 2 = x : 3
x = 9
15 meters = ________ centimeters
1500 cm
For every 6 green apples in an orchard there were 9 red apples. What is the ratio of green apples to red apples?
***You must simplify your final answer.
2:3
2 to 3
Are 21 : 6 and 7 : 2 equivalent?
Yes
Find the unit rate.
Rick earns $67.50 for working 9 hours.
$7.50 per hour
A sea turtle made 460 dives in 12 hours. At this rate, how many dives did the sea turtle make in 3 hours?
115 dives
12,000 pounds = _______ tons
6 T
In a math class there are 7 boys and 9 girls. What is the ratio of boys to total students?
7:16
7 to 16
Which of the following is best represented by the ratio 4 to 5?
A.) 8 cows to 20 horses at the farm
B.) 24 cars to 10 trucks in the parking lot
C.) 12 pens to 15 markers in the box
C.
Find the unit rate.
Mrs. Jones spends $15 of 12 bottles of water.
$1.25 per bottle of water
At a car wash, an employee cleaned 45 windows in 3 hours. At this rate, how many windows did he clean in 8 hours?
120 windows
A warehouse floor has a perimeter of 6,615 feet. What is this perimeter in yards?
2,205 yards
In a box there are 5 hammers and 10 wrenches. What is the ratio of hammers to tools?
***You must simplify your final answer.
1:3
1 to 3
Which of the following is best represented by the ratio 3 to 4?
A.) 6 ounces of apple juice to 16 ounces of grape juice in the punch
B.) 9 fish to 12 turtles in the pond
C.) 18 turkey sandwiches to 8 ham sandwiches on the platter
B.
Find the unit rate.
Rachel has 75.6 inches of ribbon to make 12 bows.
6.3 inches of ribbon per bow
In Whitney’s math class, there are 4 girls for every 5 boys. There are 36 students in the class. How many are girls?
16 girls
Mrs. Torres is mailing a package that weighs 12.5 pounds. The post office charges by the ounce to mail a package. How much does the package weigh in ounces?
200 ounces