100% - 14% = 86%
86% of what gives you 559
559 * 100 = 55,900/86 = 650
650 students in total
650 - 559 = 91
Solution: 91 students failed
X = 15
Add 5 to each side
10 + 5 = 15
Answer:
1+5.3=6.3
Step-by-step explanation:
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