Detailed Answers for Test 2

Question 1

- 21.4 - 2.3 = - 23.7

Question 2

0.9 - 0.1 = 0.8

Question 3

Common denominator is 4
= 3/4 + 1/4 - 8/4
= -4/4
= -1

Question 4

(12*.25) + (15*.05)=3.75

Question 5

20*.35=7
20-7=13
13*8=104

Question 6

350,000*.3=105,000

Question 7

100% faster means the compter can operate twice as fast (100,000 x 2 = 200,000).
30% faster would be 100,000 x 30% = 30,000.
The total increase in speed would therefore result in a speed of 230,000 (200,000 + 30,000).

Question 8

85/25=3.4

Question 9

27.5/5=5.5

Question 10

The numbers are being multiplied by 2 and added by 2(6, 14, 30, 62, 126...).

Question 11

The numbers are being multiplied by 2 and added by 5 (2, 9, 23, 51, 107, ...).

Question 12

The numbers are being multiplied by 2 and added by 3 (3, 9, 21, 45, 93, 189...).

Question 13

3*60=180
180/20=9

Question 14

26/2=13

Question 15

(36,500/12)*.6=1825

Question 16

42.50/255 = 0.166666

Question 17

($65,000*.88)/12=$4767

Question 18

B - Total DUI charges = 20; DUI charges issued by Constable = 5. Thus percentage = 5/20 x 100% or 25%

Question 19

5 3/4
5.75
575%

Question 20

2/9 - 1/9 =
1/9 (which equals 9/81)

Question 21

4/4 - 4/10 =
10/10 - 4/10
6/10
3/5 (which equals 24/40)

Question 22

C - First calculate the total number of pages Rita must read [1,350 + 2,010 = 3,360]. Then divide the total number pages by her reading speed [3,360/30 = 112 minutes]

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

This Question Does not have a Detailed Solution

Question 29

This Question Does not have a Detailed Solution

Question 30

23.5 + 10 / 2 =
23.5 + 5
28.5

Question 31

Question 32

Question 33

Question 34

Question 35

Question 36

Question 37

The numbers are being added by 15 (7, 22, 37, 52, 67...).

Question 38

The numbers are being squared (2, 4, 16, 256, 65536...).

Question 39

The numbers are being multiplied by 2 (-3, -6, -12, -24, -48, -96...

Question 40

Question 41

Question 42

Question 43

Question 44

Question 45

Question 46

140%
1.4
1 4/10 or 1 2/5

Question 47

8/9
0.89

Question 48

= -3 X 6 + 20
= -18 + 20
= 2

Question 49

Question 50

Question 51

Question 52

Question 53

Question 54

Question 55

The numbers are being multiplied by -2 (-4, 8, -16, 32, -64, 128, -256...).

Question 56

The numbers are being multiplied by 3 (7, 21, 63, 189, 567...).

Question 57

The numbers are being multiplied by 3 and then subtracted by 2 (3, 7, 19, 55, 163, 487...).

Question 58

Question 59

Question 60

Question 61

Question 62

Question 63