10/11- Quizizz- Rates and Proportions

What is it called when you set two ratios equal to each other?

• Fraction

• Ratio

• Proportion

• Congruent

Which ratios are equivalent to 1 : 3? Select all that apply.

• 10 : 30

• 6 : 18

• 5 : 20

• 2 : 9

If there are 5 boys and 7 girls, write the ratio of girls to students

Solve the proportion for k.

• k=30.3333

• k=60

• k=5

• k=90

Solve the proportion for y.

• 3

• 5.3

• 1.08

• 27

What is a Ratio?

• Is a comparison of two quantities 

• It is when the only factor the numerator and denominator share is a one 

• A rate with a denominator of one

• Two decimals that can be multiplied

Solve the proportion.

• 60

• 3

• 15

• 12

What would the proportion look like for the following example?

12 girls have brown eyes and 10 girls have blue eyes.If 72 girls have brown eyes, how many have blue eyes?

• 5

• 15

• 4

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour