Tape Diagram with Ratios

What is the primary purpose of a tape diagram?

• To represent parts of a ratio using rectangles

• To calculate the total sum of numbers

• To draw geometric shapes

• To compare different types of graphs

David and Justin have marbles in a ratio of 2:3. If they have a total of 35 marbles, how many marbles does each unit in the tape diagram represent?

• 5

• 7

• 10

• 14

David and Justin have marbles in a ratio of 2:3. If they have a total of 35 marbles, how many marbles does David have?

• 7

• 14

• 21

• 35

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The ratio of boys to girls in a class is 5:7. If there are 36 students in total, how many more girls are there than boys?

• 3

• 6

• 9

• 12