Ratios
Determine whether the ratios are equivalent.
2 : 3 and 4 : 9
No
A bag contains red marbles and blue marbles. You are given the number of red marbles in the bag and the ratio of red marbles to blue marbles. Find the number of blue marbles in the bag.
12 red marbles; 4:3
9 blue marbles
Find the missing value(s) in the ratio table.
|Burgers | 3 | | 9 |
|Hot Dogs| 5 |10| |
|Burgers | 3 | 6 | 9 |
|Hot Dogs| 5 |10| 15|
Write a unit rate for the situation.
$100 for every 5 guests
$20 per guest
Determine whether the ratios are equivalent.
24 : 100 and 6 : 25
Yes
A bag contains red marbles and blue marbles. You are given the number of red marbles in the bag and the ratio of red marbles to blue marbles. Find the number of blue marbles in the bag.
6 red marbles; 2 for every 5
15 blue marbles
Find the missing value(s) in the ratio table.
|Adults | 2 | 1 | |18|
|Children|14| |21| |
|Adults | 2 | 1 | 3 |18|
|Children|14| 7 |21|126|
Write a unit rate for the situation.
880 calories in 8 servings
110 calories per serving
Fill in the blank so that the ratios are equivalent.
3 : 9 and 6 : ___
18
There are 8 more dogs than cats in the pet store. The ratio of cats to dogs is 5:7. How many cats and how many dogs in the pet store?
20 cats, 28 dogs
$60
Decide whether the rates are equivalent.
126 points in 3 games
210 points in 5 games
equivalent
You are downloading songs to your tablet. The ratio of pop songs to rock songs is 5:4. You download 40 pop songs. How many rock songs do you download?
32 rock songs
A baseball team sells tickets for two games. The ratio of sold tickets to unsold tickets for the first game is 7:3. For the second game, the ratio was 13:2. There were 240 unsold tickets for the second game. How many tickets were sold for the first game?
1260 tickets
Seven out of every 8 students surveyed own a bike. The difference between the number of students who own a bike and those who do not is 72. How many students were surveyed?
96 students
A softball team has a budget of $200 for visors. The athletic director pays $90 for 12 visors. Is there enougn money in the budget to purchase 15 more sun visors?
If yes, how much money is left over?
If no, how much more money do they need?
No; They need an additional $2.50
The ratio of side lengths of a triangle is 2:3:4. The shortest side is 15 inches. What is the perimeter of the triangle?
67.5 inches
A fish tank contains tetras and minnows. The ratio of tetras to minnows is 1:3. There are 60 fish in the tank. How many more minnows are there than guppies?
30
You earn $72 for every 8 hours you spend shoveling snow. You earn $60 for every 5 hours you babysit. For every 3 hours you babysit, you spend 2 hours shoveling snow. You babysit for 15 hours in January. How much money did you earn in January?
$270
You can complete one-half of a job in an hour. Your friend can complete one-third of the same job in an hour. How long will it take to complete the job if you work together?
1.2 hours
1 hour and 12 minutes