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A plane ticket cost b dollars for an adult ticket and k dollars for a child. Find an expression that represents the total cost for 9 adults and 3 children.

A plane ticket cost b dollars for an adult ticket and k dollars for a child. Find an expression that represents the total cost for 9 adults and 3 children.
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a plane ticket cost b dollars for an adult ticket and k dollars for a child. Find an expression that represents the total cost for 9 adults and 3 children.

User Abeger
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1 Answer

3 votes
Let C be the total cost. Then the required expression is:

C = 9b + 3k.
User Steven Pribilinskiy
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