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Sagot :
Answer:
150
Step-by-step explanation:
15 fail
90 percent pass
15=10 percent
135=90 percent
150
Step-by-step explanation:
90%passed
100%-90%=10% failed
10%=15 students
100%=x students
- USE CROSS METHOD
10x=1500
x=1500/10
x=150 number of students appeared in the exam.
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