Ratio Part to Part

At a preschool, there is a ratio of 3 boys to every 4 girls. If there are 245 preschoolers enrolled, how many are boys?

• 105

• 205

• 140

• 183

A steakhouse has a server to cook ratio of 5 : 2. The total number of servers and cooks is 42. How many servers does the steakhouse employ?

• 105 servers

• 12 servers

• 30 servers

• 6 servers

A local movie theater has 24 screens. In the summer the ratio of action films to other films is 2 to 1. How many screens are showing action films?

• 8 action films

• 10 action films

• 16 action films

• 12 action films

Jenna and Becky are selling cookies door-to-door. Jenna sold 8 boxes of cookies for every 3 boxes Becky sold. Combined, the sold a total of 385 boxes of cookies. How many boxes of cookies did each girl sell?

• Jenna sold 180 and Becky sold 205

• Jenna sold 285 and Becky sold 100

• Jenna sold 300 and Becky sold 85

• Jenna sold 280 and Becky sold 105

There are 5 girls and 6 boys. What is the ratio of girls to students?

• 5:6

• 5:11

• 6:5

• 11:6

There are 5 girls and 6 boys. What is the ratio of students to boys?

• 11:5

• 6:5

• 11:6

• 6:11

At a pancake lunch, 2 kids pick fruit syrup for each 4 kids picking maple syrup. How many kids pick maple syrup if there are 24 students having pancakes?

• 16

• 8

• 12

• 10

In a lab, Chemical 1 and Chemical 2 are mixed in a ratio of 4 to 5. How much of chemical 1 is needed to mix with 35 liters of Chemical 2?

• 28 liters

• 43.75 liters

• 19.4 liters

• 21 liters

In a lab, Chemical 1 and Chemical 2 are mixed in a ratio of 4 to 5. How much of Chemical 2 is needed to make 35 liters of the mixture?

• 15.56 liters

• 43.75 liters

• 19.4 liters

• 28 liters

Juno and Apollo are running laps around the dog park. Juno runs 5 laps for every 4 laps that Apollo runs. When Apollo has run 15 laps, how many laps will Juno have run?

• 21

• 13

• 12

• 18.75