What is the simple interest paid to the nearest cent for each principal, interest rate, and time? $300, 6 1/2 %, 1 year

What is the total cost or sale price to the nearest cent? $50 tool set; 10% markup

An aquarium is on sale for $59.50. If this price represents a 15% discount from the original price, what is the original price to the nearest cent?

What is each percent of change? Round to the nearest whole percent if necessary. Is the percent of change an increase or decrease? 30 to 90

89% of what number is 14?

Which is the best estimate for 49% of 15?

What is the total cost or sale price to the nearest cent? $20 haircut; 15% tip

Which is the best estimate for 3/4 % of 387?

What is the simple interest paid to the nearest cent for each principal, interest rate, and time? $1,000, 5%, 2 years

What is 138% of 250?

Betty deposited $900 in a new account that earns 6% simple interest. After 2 years, how much interest will she have earned?

Paul has lunch at a restaurant. If his bill was $14.50 and Paul wants to leave a 20% tip, what is the amount he should leave for the tip?