PLEASE HELP!!! ITS EASY! Simplify: (1/2a - 1/3b) - (1/3b - 1/2a)
2 answers:
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Answer:
945 ways
Step-by-step explanation:
<u>Total</u>
- Number of Appetizers = 7
- Number of main courses = 9
- Number of desserts =5
<u>Required Selection</u>
- Number of Appetizers = 2
- Number of main courses = 8
- Number of desserts =4
2 Appetizers out of 7 can be selected in ways
8 main courses out of 9 can be selected in ways
4 desserts out of 5 can be selected in ways
Therefore, the number of ways this can be done
=945 ways