Draw NYS COMMON CORE MATHEMATICS CURRICULUM Edit Lesson 5 Classwork 3. Robin used of a pound of butter to make a cake. Before she started, she had of a pound of butter. How much butter did Robin have when she was done baking? Give your answer as a fraction of a pound.
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
Given that
Quantity if butter used by Robin to make a cake is 1/4 of a pound
Quantity of butter she had is 7/8 of a pound.
To find
Quantity of butter have Robbin when she was done cooking.
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