Me with this. i need to do sentence combining. i don't know how to do it.

What role must the audience play in the creation of an argument? how do bubbles(communities) complicate audience? should audiences be smarter? if yes, how do you make people smarter?

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At a restaurant,one small drink costs $1.15 and one large drink costs $1.75 a family buys three small drinks and two large drinks.before tax,what is the total cost for the drinks at this restaurant