Chapter 5 Rates and Ratios

There are 13 boys and 10 girls in the classroom.  What is the ratio of girls to students?

• 10 to 13
• 23 to 13
• 10 to 23
• 23 to 10

Determine if the ratios are proportional.
4/5 and 15/20

• Yes
• No

Movie ticket sales are as follows:
Adult: 20 tickets for $250
Child: 15 tickets for $71.25
Senior: 5 tickets for $37.50
How much does one (1) SENIOR ticket cost?

• $7.00
• $0.13
• $32.50
• $7.50

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Is the given table a direct variation? If so, what is the constant?

• Yes; 2
• Yes; 3
• Yes; 5
• No

Which of the given graphs is a direct variation?

• A
• B
• C
• D

Is this graph proportional?

• Yes
• No
• Sometimes
• Both

Tags

CCSS.7.RP.A.2D

Write the equation for the table given

• y = 1/3x
• y = 3x
• y = 1/2x
• x = 3y

Name the constant of proportionality.

• 20
• 40
• 1/20
• 1/40

Name the constant of proportionality. y= pictures and x = minutes

• 8
• 16
• 1/8
• 1/16