Rates, Ratios, Percents, and Simple Interest

Aria has dinner at a restaurant and the cost of her meal is $28.00. Because of the service, she wants to leave a 20% tip. What is her total bill including tip?

• 33.60

• 40.00

• 24.60

• 30.50

Tags

CCSS.6.RP.A.3C

There are 75 students in the school band.  45 students play woodwind instruments.  What percent of students play woodwinds?

• 35%
• 60%
• 55%
• 70%

Tags

CCSS.6.NS.B.2

CCSS.6.RP.A.3

The Houston Zoo has 130 different exhibits. Of those 130 exhibits, 30% of them contain birds. How many exhibits contain birds?

• 49

• 39

• 60

• 25

Tags

CCSS.6.RP.A.3C

Mr. Kiser's class is 55% girls and has 20 girls. How many students are in the class?

• 41 students

• 11 students

• 16 students

• 36 students

Tags

CCSS.6.RP.A.3C

At the market, 8 apples cost $4.

How much do 9 apples cost?

• $5

• $9

• $4.50

• $18

Tags

CCSS.6.RP.A.3B

Aila can bake 66 cupcakes in 3 hours. Write this as a unit rate describing cupcakes per hour.

• (66 cupcakes) / (3 hours)

• (3 hours) / (66 cupcakes)

• (21 cupcakes) / (1 hour)

• (1 hour) / (22 cupcakes)

• (22 cupcakes) / (1 hour)

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Isaac puts $300 in a bank account earning 4% interest. How much will he earn in interest in 2 years?

• 4

• 8

• 24

• 12

Tags

CCSS.7.RP.A.3

Emma invested $2,500 at an annual rate of 5%. How much will she have in the account after 1 year?

• $1875

• $2505

• $625

• $2625

Tags

CCSS.7.RP.A.3

A store sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?

• 16 customers per hour
• 15 customers per hour
• 12 customers per hour
• 20 customers per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A video game that usually sells for $60 had a 25% off coupon. What is the new price of the video game?

• $45

• $15

• $35

• $75

Tags

CCSS.6.RP.A.3C