n
a
b
d
1
8
10
32
40
2
1
5
6
30
3
3
8
27
72
4
5
12
30
72
5
9
12
18
24
6
5
6
20
24
7
8
12
16
24
8
3
10
27
90
9
7
10
70
100
10
3
8
12
32
11
3
8
9
24
12
1
9
6
54
13
5
8
40
64
14
6
11
18
33
15
5
6
35
42
16
2
3
8
12
17
5
10
50
100
18
8
12
24
36
19
3
6
21
42
20
2
11
18
99
21
4
10
24
60
22
1
11
6
66
23
1
3
5
15
24
3
11
9
33
25
3
8
24
64
26
1
5
8
40
27
1
2
6
12
28
2
10
4
20
29
1
5
5
25
30
1
11
2
22
31
1
7
5
35
32
1
3
3
9
33
1
9
2
18
34
4
10
32
80
35
4
11
40
110
36
6
7
54
63
37
3
5
30
50
38
7
10
42
60
39
6
12
24
48
40
2
6
18
54
41
7
8
70
80
42
6
8
60
80
43
10
12
100
120
44
3
10
30
100
45
5
11
15
33
46
6
12
30
60
47
4
12
24
72
48
7
8
63
72
49
4
12
12
36
50
5
9
50
90
51
5
8
15
24
52
5
11
10
22
53
7
10
14
20
54
5
10
25
50
55
6
10
30
50
56
11
12
66
72
©Ms. Garcia Math
Name:
ID:
Quiz:
Grade:
Find the missing number in the given proportions
?
Cross multiply
Solve for the variable
Verify your answer
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