Danielle bought 16 paperback books for $10.95. some cost $0.60 and the rest cost $0.75 each. how many of each did she buy?

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station. he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42