Answer:
1 . 2/4 = n/8
4n = 8 × 2
4n = 16
4n/4 = 16/4
2. 15/x = 9/6
9x = 15 × 6
9x = 90
9x/9 = 90/9
3. 15:45 = 2:n
15n = 45 × 2
15n = 90
15n/15 = 90/15
4. x:50 = 30:10
10x = 50 × 30
10x = 1500
10x/10 = 1500/10
5. 4/18 = n/27
18n = 4 × 27
18n = 108
18n/18 = 108/18
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Answers & Comments
Answer:
1 . 2/4 = n/8
4n = 8 × 2
4n = 16
4n/4 = 16/4
n = 4
2. 15/x = 9/6
9x = 15 × 6
9x = 90
9x/9 = 90/9
x = 10
3. 15:45 = 2:n
15n = 45 × 2
15n = 90
15n/15 = 90/15
n = 6
4. x:50 = 30:10
10x = 50 × 30
10x = 1500
10x/10 = 1500/10
x = 150
5. 4/18 = n/27
18n = 4 × 27
18n = 108
18n/18 = 108/18
n = 6