A problem by akash dhasmana
Level
pending
Twenty-five children were supposed to go on the field trip but only 80% brought in their permission slips. 80% of those who brought permission slips were present on the day of the trip. How many children went?
The answer is 16.
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1 solution
80 * 25 / 100 = 20 students brought in their permission slips. 20 * 80 / 100 = 16 students were present.