How many different options are there? Exercise 4 a) In a restaurant, the main course options include four chicken dishes, five fish dishes, and six vegetarian dishes. How many ways can a customer choose a main course in the restaurant? b) The same restaurant also offers three appetizers and five desserts. The restaurant menu consists of an appetizer, main course, and dessert. How many ways can a complete restaurant menu be chosen? c) The number of appetizers is increased by two. How many different menus are there then?

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A: Step 1:Step 2:Step 3:

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Q: Need detailed solution to all

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A: See the attachment below for the proof.

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