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Introduction to Algebra
Ratio & Proportions
Percent
Absolute Values, Lines & Plane
Mistérios
100

4a

63

100

3d

15

100

34cf

c) 8.4

f) 33

100

3ab

a) 1

b) 2

100

77b

-11x-11

200

17

60m/t box(es)

200

20

98

200

43ac

a) 350

c) 106 1/4

200

55d

2

200

83

90

300

75

17, 18, 19

300

53e

Yes

300

48

(100b/a) %

300

57d

1

300

195

60, 20

400

123

28, 59

400

93

1.5

400

69

62.5%

400

58bc

b) 2-x

c) 0

400

Nothing

:)

500

156

10, 8

500

192

5

500

96

35 pounds/80c and 15 pounds/60 c 

500

127f

y=1-Ix+1I

500

130

80%