[tex]\tt \huge\red{answer}[/tex]
16. 5/12 = 35/n
N = 84
• 5/12 = 35/84
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17. n/52 = 180/120
N = 78
• 78/52 = 180/120
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18. 18/n = 21/28
N = 24
• 18/24 = 21/28
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19. n/4 = 24/6
N = 16
• 16/4 = 24/6
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20. 10/16 = n/56
N = 35
• 10/16 = 35/56
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