Skill Builders Practice Test 2/Algebra II with Statistics

What is the average of all the multiples of 5 from 5 to 50, inclusive?

A race car driver averages 159 miles per hour for 19 laps driven. How fast must he go in his 20th lap to attain an average of 160 miles per hour?

In a standard deck of cards, there are 13 cards with hearts, 13 with spades, 13 with diamonds, and 13 with clubs. If one card is chosen from the deck at random, what is the probability that it will be a heart or a diamond?

Jeff bought a radio for $$14.99, earphones for$$ 9.99, and a cassette tape for $7.99. Including a sales tax of 6%, what was the total bill?

Eric bought a suitcase for $$39.95, a garment bag for$$ 79.95, and a briefcase for $24.99. If the sales tax on these items is 6%, how much will the sales tax be?

The price of a gallon of Number 2 fuel oil went from $$0.64 to$$ 0.68 per gallon. What was the percent of increase in the price of a gallon?

Last year, Tom earned $$160 shoveling snow. This year, he earned$$ 120. Compared to his earnings last year, by what percentage did his earnings decrease?

Betsy's softball team won 47 games, lost 15 games, and tied none. What fractional part of the games played did the team win?

Adam watches television for 3 hours each weekday and a total of 12 hours on the weekend. What fraction represents the amount of time he spends watching TV each week?

Matt saves 20% on a $110 bowling ball but must pay 6% sales tax. What is the total amount that he must pay?