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OpenStudy (anonymous):
In a mathematics class with 30 students the teacher wants 2 different students to present the solutions to problems 3 and 5 on board. In how many ways can the teacher assign the problems?
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OpenStudy (anonymous):
is it: 30C2 x 2C2
OpenStudy (jit4won):
yeah
OpenStudy (anonymous):
Is the solution: 30C2 x 2C2 ? because total 30 students frm which teacher chooses 2 students, now two students on the board and 2 questions to solve.
OpenStudy (anonymous):
435 the answer?
OpenStudy (jit4won):
First select the students then question
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OpenStudy (jit4won):
thats right
OpenStudy (anonymous):
Thnaks.
OpenStudy (jit4won):
Is there anything else I may help you with ?
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