# Average and Round Up: Practice Questions RBI Assistant

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Ginger over the course of an average work-week wanted to see how much she spent on lunch daily. On Monday and Thursday, she spent $5.43 total. On Tuesday and Wednesday, she spent $3.54 on each day. On Friday, she spent $7.89 on lunch. What was her average daily cost?

$3.19

$3.75

$3.90

$4.08

$4.23

Answer: d

What is 1230.932567 rounded to the nearest hundredths place?

1200

1230.9326

1230.93

1230

1230.933

Answer: c

Subtract the following numbers rounded to the nearest tenths place. 134.679, 45.548 and 67.8807

21.3

21.25

-58.97

-59.0

1

Answer: a

What is the absolute value of-9?

-9

9

0

-1

1

Answer: b

What is the median of the following list of numbers? 4, 5, 7, 9, 10, 12

6

7.5

7.8

8

9

Answer: d

What is the mathematical average of the number of weeks in a year, seasons in a year, and the number of days in January?

36

33

32

31

29

Answer: e

In a college, some courses contribute more towards an overall GPA than other courses. For example, a science class is worth 4 points; mathematics is worth 3 points; history is worth 2 points; and English is worth 3 points. The values of the grade letters are as follows, A = 4, B = 3, C = 2, D = 1, F = 0. What is the GPA of a student who made a C in Trigonometry, a B in American History, an A in Botany, and a B in Microbiology?

2.59

2.86

3.08

3.33

3.67

Answer: c

Over the course of a week, Fred spent $28.49 on lunch. What was the average cost per day?

$4.07

$3.57

$6.51

$2.93

$5.41

Answer: a

A roast was cooked at 325° F in the oven for 4 hours. The internal temperature rose from 32° F to 145° F. What was the average rise in temperature per hour?

20.2° F/hr

28.25° F/hr

32.03° F/hr

37° F/hr

37.29° F/hr

Answer: b

In the number 743.25 which digit represents the tenths space?

2

3

4

5

6

Answer: a