1. The number 36 represents 40% of a certain number. The whole number is ___.
2. A soccer team won 14 games, which is 70% of the total games they played. How many games did the team play in total?
3. A deposit of 21 dollars for a bicycle is 30% of its total cost. The total cost of the bicycle is ___ dollars.
4. If 45 is 15% of a number, what is the number?
5. A survey found that 120 people, or 80% of the total respondents, prefer dogs. The total number of people who responded to the survey is ___.
6. In 2013, 258,915 guns were sold, and the sales decreased by 66,330 in 2014. What percent decrease did gun sales experience from 2013, rounded to the nearest whole percent? ___ %
7. A student answered 24 questions correctly on a quiz and received a score of 80%. How many total questions were on the quiz? ___
8. A country's population increased by 22,704,000 from its 2010 population of 308,745,000. By what percent did the population increase? Round your answer to one decimal place. ___ %
9. In 2010, the population of a country was 308,745,000. In 2020, the population was 331,449,000. What was the increase in population over that decade? ___
10. The price of bananas increased from 0.50 dollars per pound to 0.61 dollars per pound. What is the percent increase? ___ %