Proportional Relationships Equivalent Ratios

Solve for C in the table.

• C= 40

• C= 10

• C= 9

• C= 45

Hilbert burns 120 calories per 30 minutes of weight training.  Complete the table to chart his calorie expenditure for different amounts of time. What is the value of a?

• a= 80

• a= 6

• a= 60

• a= 120

Which relationship describes 2:5

• The ratio of desks to chairs if there are 5 chairs and 2 desk

• The ratio of boys to girls if there are 2 girls and 5 boys

• The ratio of girls to boys if ther are 2 girls and 5 boys

• The ratio of chairs to desk if there are 5 chairs and 2 desk

Kevin is mixing paint to make orange. The ratio of red paint to yellow paint is 3 oz to 5 oz. How much yellow paint should he mix with 9 oz of red paint?

• 15 oz

• 30 oz

• 45 oz

• 11 oz

Which ratio is equivalent to 5 to 4

• 25 to 20

• 10 to 12

• 4 to 5

• 15 to 8

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

Is this table proportional?

• Yes

• No

Solve for x 

• x = 16

• x = 28

• x = 1/26

• x = 26

Are the two ratios proportional?

• YES

• NO

What is a proportion?

• When two ratios can be simplified

• When two ratios are equivalent and show the same value

• When two ratios have the exact same numbers

• When two ratios can be multiplied by 2