Ratios Proportions Percents Conversions

A class survey showed that 8 out of 25 students plan to travel over Thanksgiving break. How many students out of the 400 students in the entire school would you expect to be traveling over the break?

• 32 students

• 128 students

• 320 students

• 96 students

If 15 chocolate cakes will serve 120 people, how many cakes are needed for 152 people?

• 18 cakes

• 8 cakes

• 24 cakes

• 19 cakes

In Amalie's home town, the ratio of cars to people is 420 to 1000. What fraction shows this ratio in simplest form?

What is a ratio?

• Is a comparison of two quantities 
• A rate with a denominator of one
• It is when the only factor the numerator and denominator share is a one 
• Two decimals that can be multiplied

In a bouquet of​ flowers, there are 7 daisies and 19 roses. Write the ratio of daisies to roses in three different ways.

• 19 to 7, 19:7, 19/7
• 19 to 7, 7:19, 7/19
• 7 to 19, 7:19, 7/19
• 7 to 19, 19:7, 19/7

^{What is the ratio of total shapes to circles?}

• 3 : 4

• 4 : 3

• 7 : 3

• 3 : 7

$279 for 9 concert tickets. Find the cost per ticket.

• $31

• $39

• $2,511

• $34

336 dimples in one golf ball. At this rate, 2016 dimples in __ golf balls.

• 7

• 12

• 6

• 30

A unit rate is a ratio in fraction form that has a _____________________________ of 1.

• numerator
• bottom number
• fraction
• denominator

Which of the following is a UNIT RATE?

• 10 miles / 2 hours
• $6 for each hour
• 1 box / $3
• 15 pounds every 5 servings