n
a
b
d
1
8
11
80
110
2
1
3
4
12
3
11
12
77
84
4
1
12
10
120
5
7
10
49
70
6
1
4
5
20
7
4
11
8
22
8
5
10
10
20
9
5
8
50
80
10
1
12
5
60
11
7
12
28
48
12
7
10
21
30
13
8
9
80
90
14
7
8
42
48
15
6
11
60
110
16
6
12
18
36
17
3
10
9
30
18
1
8
8
64
19
11
12
44
48
20
10
11
40
44
21
7
12
56
96
22
1
11
9
99
23
1
4
3
12
24
5
6
25
30
25
1
4
4
16
26
1
11
4
44
27
9
10
63
70
28
5
6
30
36
29
5
7
20
28
30
2
8
8
32
31
2
6
12
36
32
9
12
63
84
33
4
11
12
33
34
9
10
90
100
35
1
2
7
14
36
6
11
30
55
37
3
7
6
14
38
5
10
40
80
39
1
8
5
40
40
1
4
6
24
41
2
12
6
36
42
5
6
40
48
43
3
4
6
8
44
6
8
48
64
45
6
8
24
32
46
1
6
8
48
47
6
10
54
90
48
1
11
10
110
49
2
6
10
30
50
5
11
20
44
51
5
8
10
16
52
6
8
36
48
53
6
8
12
16
54
1
11
8
88
55
2
11
20
110
56
3
10
24
80
©Ms. Garcia Math
Name:
ID:
Quiz:
Grade:
Find the missing number in the given proportions
?
A proportion is simply a statement that two fractions are equivalent (equal to each other)
1)
=
2)
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3)
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4)
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5)
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6)
=
7)
=
8)
=
9)
=
10)
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