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MALAITFREDDIE9IN
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please help my question about this​

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Answer:

A.

1. 5/12 = 25/n

5n = 25 × 12

5n = 300

5n/5 = 300/5

n = 60

2. 39/2 = n/4

2n = 39 × 4

2n = 156

2n/2 = 156/2

n = 78

3. 27/n = 9/5

9n = 27 × 5

9n = 135

9n/9 = 135/9

n = 15

4. n/4 = 24/6

6n = 24 × 4

6n = 96

6n/6 = 96/6

n = 16

5. n/52 = 180/120

120n = 180 × 52

120n = 9360

120n/120 = 9360/120

n = 78

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