Johns Market sells milk for $2.24 per gallon. Food Supply sells the same milk for $2.08 per gallon. If Mitzi buys 2 gallons of milk at Food Supply instead of Johns, how much will she save?

- $0.12
- $0.14
- $0.32
- $0.38
- $0.42

**Answer(s):** C

**Explanation:**

To find the answer, work this equation: ($2.24 $2.08)x

2 = $0.32.

Fifty-four students are to be separated into six groups of equal size. How many students are in each group?

- 8
- 9
- 10
- 11
- 12

**Answer(s):** B

**Explanation:**

54 divided by 6 is 9.

Textbooks are to be ordered in the following quantities:

History: 24 books at $20 each

Math: 20 books at $30 each

Science: 15 books at $25 each

What is the total cost of the textbooks?

- $1455
- $1495
- $1500
- $1510
- $1550

**Answer(s):** A

**Explanation:**

24 history books at $20 each are $480. 20 math books at $30 each are $600. 15 science books at $25 each are $375. $480 + $600 + 375 = $1455.

A small town emergency room admits a patient on August 3 at 10:42 P.M. and another patient at 1:19 A.M. on August 4. How much time has elapsed between admissions?

- 1 hour 19 minutes
- 1 hour 37 minutes
- 2 hours 23 minutes
- 2 hours 37 minutes
- 3 hours 23 minutes

**Answer(s):** D

**Explanation:**

Between 10:42 and 12:42, two hours have elapsed. From 12:42 to 1:00, another 18 minutes have elapsed (60 42 = 18). Then from 1:00 to 1:19, there is another 19 minutes. 2 hours + 18 minutes + 19 minutes = 2 hours, 37 minutes.