Question 1036416
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Lucas must write an essay for three of the five questions in Part 1 and four of the six questions in Part 2. 
How many different combinations of questions can he answer?
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It is a typical problem on combinations.


See the lesson <A HREF=https://www.algebra.com/algebra/homework/Permutations/Introduction-to-Combinations-.lesson>Introduction to Combinations</A> in this site and the lessons associated with it.