Master Study Guide Final 7B/7C

Pam is a salesperson. She earned a 10% commission by selling a water heater. If the water heater was sold for $231.00, how much commission did Pam earn?

• $25.00

• $23.10

• $21.30

• $20.00

• $14.33

• $13.45

• $12.87

• $15.00

• $11.00

• $8.80

• $7.20

• $9.50

• 0.16

• 0.42

• 0.58

• 1.00

• -3.64

• 2.64

• -1.64

• 1.36

Evaluate the expression.

0.23 + -0.64 ÷ ( -0.31 - 0.69 )

Write your answer as an integer or a decimal. Do not round.

• 0.87

• -1.03

• 0.15

• -0.41

Based on the table below, what fraction of the different species of animals at the Oakland Zoo are arthropods?

Group	Number of different species
Amphibians	12
Arthropods	20
Reptiles	34
Birds	29
Mammals	41

• 10/136 or 5/68

• 20/136 or 5/34

• 25/136 or 5/27

• 15/136 or 5/45

What fraction of respondents preferred vinyl or stone flooring? Simplify your answer.

• 1/2

• 3/10

• 2/5

• 1/4

What fraction of countries are in Asia or Oceania?

• 29/192

• 10/192

• 50/192

• 15/192

• -45

• -29

• -21

• 19