Ratios
Write an equivalent ratio to 4:6. Write something to prove/show the relationship.
2:3
8:12
40:60
36:54
Others!
It costs $7.00 for 2 bags of rice. How much does each bag cost?
$3.50 per bag of rice
A worker at a clothing store can fold 60 shirts in 4 minutes. At this rate, how many shirts can the worker fold in 15 minutes?
225 shirts
What is 25% of 60?
15
The ratio of boys to girls in a group is 3:4. If there are 21 boys in the group. How many girls are there?
28 girls
One batch of cookies uses 5 cups of flour to 2 teaspoons of vanilla. If you use 6 teaspoons of vanilla, how many cups of flour should you use?
15 cups of flour
The fastest elevator in the world can travel 330 feet in just 10 seconds. How far does the elevator travel in 11 seconds?
363 feet
40% of a number is 32. What is the number?
80
On a map, 1 inch represents 4 miles. How many miles does 3.5 inches represent?
14 miles
It costs $7.00 for 2 bags of rice. How much would 20 bags cost?
$70.00
Andre ran 2 kilometers in 15 minutes and Jada ran 3 kilometers in 20 minutes. Did they run at the same speed? Show your reasoning
15 x 4 = 60, 2 x 4 = 8km
20 x 3 = 60, 3 x 3 = 9 km
No, Jada runs farther in the same amount of time.
A computer originally costs $900, but the price is decreased (on sale) for 15% off. What is the new price of the computer?
$765
In a class the ratio of students who wear glasses to those who don't is 3 to 5. If there are 32 total students in the classroom, how many students wear glasses?
12 students
One batch of cookies uses 5 cups of flour to 2 teaspoons of vanilla. If you use 20 cups of flour, how many teaspoons of vanilla should you use?
8 teaspoons of vanilla
You had a pizza making party for some people. Each person needs 6 ounces of dough and 4 ounces of sauce for their pizza. If you use 130 ounces of ingredients in all, how many people attended the party?
13 people
Noah set a goal of collecting 60 bottles for recycling for each week. He has reached 125% of his goal for the week. How many bottles has he collected?
75 bottles
In a school the ratio of teachers who wear glasses to teachers who do not is 7 to 2. If there are 10 teachers who don't wear glasses, how many total teachers are there in the school?
45 teachers
10 + 7*5=35.
A bottle of sparkling water costs $1.69. This week, 4 bottles of water costs $5.00. Are the bottles of water more or less expensive this week? How much cheaper or expensive---show your reasoning.
They are less expensive this week. 5 divided by 4 equals $1.25. The difference from the previous time ($1.69) is $.44.
A house has a kitchen, a playroom, and dining room. The areas in square feet falls in the ratio 4:3:2. The combined area for these spaces is 189 sq. feet. What is the specific area for each room?
84: 63: 42
Add 4 + 3 + 2 = 9. 189 / 9 = 21. 21 x 4,3,2
A small water tank holds 36 liters of water. If this is 75% of the amount of water that the large tank holds, how much does the large tank hold?
48 liters