Asked by indira
A class of 50 students has to perform exercises in groups of 2 OR 3 students. The numberof groups with 2 students is the same as the number of groups with 3 students.
a) How many groups of 2 students and 3 students can be formed?
b) Each group must use 2 balls to perform its exercise.
What is the total number of balls needed.
a) How many groups of 2 students and 3 students can be formed?
b) Each group must use 2 balls to perform its exercise.
What is the total number of balls needed.
Answers
Answered by
Steve
a group of 2 and a group of 3 takes 5 students.
Clearly, 10 such pairs of groups can be formed.
Clearly, 10 such pairs of groups can be formed.
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