Find the missing term in each proportion.
1
n
2
2
5
0
4.
1
n
0
^3
5
5. n
3
2
7
1
6. ^6
5
^2
n
(^4)
- ^4
n
1
3
6
6
8. ^2
n
^1
2
4
8
9. ^1
4
(^2) ^1
n
8
10.
1
5
5
1
n
2
1
n
6
3
6
12.
n
9
5
9
13.
n
7
6
2
14.
1
4
8
8
n
8
Find the value of n.
- 4 : 5n: 10 16. 6 : n3 : 9 17.n: 85 : 5
- 9 : 818 : n 19. n: 1218 : 9 20.13 : 5n: 15
- n: 60.4 : 12 22.9 : 42.7 : n 23.17 : 3n: 1.5
Select the two ratios that form a proportion.
Check by showing the cross products.
- ^1
2
,
1
4
,
2
4
25.
3
5
,
1
9
5
,
6
9
26.
2
3
,
3
9
,
1
3
- ^4
6
,
2
5
,
1
8
2
28.
5
8
,
2
3
0
2
,
1
1
5
6
29.
1
3
0
,
1
9
0
,
3
9
0
Is the given value of nreasonable?
Explain your answer.
- ^3
7
1
n
40
No, 6 is not reasonable.
n 6
3
6
3
0
4
n
0
32.
1
3
6
2
0
1
n
33.
1
2
0
5
0
0
n
5
34.
3
n
5
0
0
.
.
2
4
n 30 0 n 5 0 n7.5 n 7
1
2
3
7
1
2
so
1
n
40
should be
1
2
.
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