Ratios Part and Whole

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 Timmy's math class there are 12 boys and 15 girls.  What is the ratio of boys to total students in his math class?

• 12:27

• 27:15

• 15:12

• 15:27

Using the image above, a part-to-whole ratio could be represente by:

• 5 : 16

• 6 : 10

• 16 : 10

• 3 : 5

Write how to find the proportion of

2:8 :: 25:625

(Do not give space first right the means than the extremes.)

Mathematical Equivalence

ON

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 make 35 liters of the mixture?

• 15.56 liters

• 43.75 liters

• 19.4 liters

• 28 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