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Sales of video games and consoles fell from \(\$ 1,150\) million to \(\$ 1,030\) million in one year. Find the percent decrease. (Round to the nearest tenth of a percent.)

Tipping At the campus coffee cart, a medium coffee costs \(\$ 1.65\) . Mary Anne brings \(\$ 2.00\) with her when she buys a cup of coffee and leaves the change as a tip. What percent tip does she leave?

Late Fees Alison was late paying her credit card bill of \(\$ 249\) . She was charged a 5\(\%\) late fee. What was the amount of the late fee?

Without solving the problem 鈥�44 is 80% of what number鈥�, think about what the solution might be. Should it be a number that is greater than 44 or less than 44? Explain your reasoning.

Without solving the problem 鈥淲hat is 20% of 300?鈥� think about what the solution might be. Should it be a number that is greater than 300 or less than 300? Explain your reasoning.

After returning from vacation, Alex said he should have packed 50% fewer shorts and 200% more shirts. Explain what Alex meant.

Because of road construction in one city, commuters were advised to plan their Monday morning commute to take 150% of their usual commuting time. Explain what this means.

In the following exercises, find(a) the sales tax and (b) the total cost. The cost of a pair of boots was \(\$ 84 .\) The sales tax rate is 5\(\%\) of the purchase price.

In the following exercises, find(a) the sales tax and (b) the total cost. The cost of a refrigerator was \(\$ 1,242\) . The sales tax rate is 8\(\%\) of the purchase price.

In the following exercises, find(a) the sales tax and (b) the total cost. The cost of a microwave oven was \(\$ 129\) . The sales tax rate is 7.5\(\%\) of the purchase price.