Out of 50 students, 10 were absent,20% of the remaining had failed to do homework. Find the number of students who did the homework.
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Answer:
32 students have done their Homework
Step-by-step explanation:
Total number of students = 50
Number of absentees = 10
Remaining number of students = 50-10 = 40
given % of students failed to do HW = 20%
=> number of students failed to do HW = 40*20/100 = 8
=> number of students, who did HW = 40-8 = 32
=> 32 students have done their Homework
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