A. Direction: Find the missing term in each proportion. 1. 3:5 = 12:n
2. 5n + 3n = 40
3.7:8= n : 16
4. 2n + 3n + 4n = 63
5.8=n 12 24
2. 5n + 3n = 40
3.7:8= n : 16
4. 2n + 3n + 4n = 63
5.8=n 12 24
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Answer:
1.) 15
2.) 5
3.) 14
4.) 7
5.) 16
Step-by-step explanation:
1. 4/5 = 12/n n= 12/4 × 5 = 15 ( Four basic operations).
2. 5n+3n=8n=40. n=5
3. 7/8 = n/16. n=16/8 ×7=14
4. 2n+3n+4n=3n=63 n=7.
5. 8/12 = n/24. n= 26/12 × 8 = 16
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