Exam 3: Ratio, Proportion, and Percent

Students, A, B, and C occupy floor space of 50 m, 70 m, and 80 m, respectively. If the total rental for the space is $1000 per month, how much rent should student A pay?

The Bank of Nova Scotia reduced its annual lending rate from 11% to 8.75%. What is the percent reduction in the lending rate?

Solve: 1.15:2.30 = k:1.30

What percent of $62.50 is $11.25?

After a reduction of 8 1/3% of the marked price, a snowboard sold for $400.00. What was the marked price?

From March 1991 to March 2001, the price of gasoline increased 170%. If the price in 1991 was 33.0 cents per liter, what was the price per liter in 2001?

After an increase of 8%, the new amount was $875. What was the original amount?

Lorraine, Estelle, and Frances own a business jointly and share profits and losses in the same proportion as their investments. How much of a profit of $14 500 will each receive if their investments are $14 000, $16 000, and $15 000 respectively?

Solve: 7:n = 35:21

Use the 2010 federal income tax brackets and rates listed below to answer the following question. Taxable Income (income tax brackets) Tax rates $40 970 or less 5% of taxable income less than or equal to $40 970; plus $40 970 to $81 94 22% of taxable income greater than $40 970 and less than or equal to $91 941; plus $81 941 to $127 021 26% of taxable income greater than $81 941 and less than or equal to $127 021; plus Over $127 021 29% of taxable income greater than $127 021 a) Dana had a taxable income of $39 500 in 2010. How much federal income tax should she report? (assuming tax rates remain the same) b) Dana expects her taxable income to increase by 15% in 2011. How much federal tax would she expect to pay in 2011(assuming tax rates remain the same).

Solve: 3.1:m = 1.4:1.9

Betty calculated her 2011 taxable income to be $133 450. How much federal income tax should she report if she is in the top tax bracket, which is taxed at $26,879.92 plus 29% of income over $127 021?

What percent of 0.14 is 0.035?

Royal Collection Agency retains a collection fee of 20% of any amounts collected. How much did the agency collect on a bad debt if the agency forwarded $2520 to a client?

$170 is what percent of $80?

$189 is what percent of $4150?

Your earnings of $967.34 for the week represent 4.168% of your entire years earnings. What are your annualized earnings?

A private post-secondary corporation had a 1-year low stock price of $18.69 and a high of $40.47. Assuming that you bought it at the lowest price and sold it at its highest price, what is the simple annual rate of return on your stock purchase?

2 3/4% of what amount is $19.90?

Solve: 15:6 = 30:x