A total of 3 1/4 cups of sugar was used for making cookies. Each batch of cookies require 3/4 cups sugar. How many batches of co
1 answer:
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Answer:
45
Step-by-step explanation:
The order in which the items are chosen is not important. So we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
How many possible subsets of 2 items can be chosen from this lot?
Combinations of 2 from a set of 10. So