Find the selling price for the given wholesale price and markup rate.

a.  wholesale price = $52, markup rate = 45%

b.  wholesale price = $185, markup rate = 80%

c.  wholesale price = $2,050, markup rate = 12.5%

d.  wholesale price = $17,600, markup rate = 4.5%

Find the wholesale price for the given selling price and markup rate.

a.  selling price = $88.40, markup rate = 30%

b.  selling price = $225, markup rate = 25%

c.  selling price = $1,148, markup rate = 180%

d.  selling price = $16,608, markup rate = 3.8%

Find the markup rate for the given wholesale price and selling price.

a.  wholesale price = $140, selling price = $210

b.  wholesale price = $80, selling price = $108

c.  wholesale price = $376, selling price = $752

d.  wholesale price = $26,000, selling price = $26,728

Find the sale price for the given selling price and discount rate.

a.  selling price = $70, discount rate = 25%

b.  selling price = $145, discount rate = 32%

c.  selling price = $376, discount rate = 8.5%

d.  selling price = $26,000, discount rate = 2.15%

Find the selling price for the given sale price and discount rate.

a.  sale price = $108, discount rate = 28%

b.  sale price = $65, discount rate = 50%

c.  sale price = $1,110, discount rate = 7.5%

d.  sale price = $24,175, discount rate = 3.3%

Find the disount rate for the given selling price and sale price.

a.  selling price = $100, sale price = $67.50

b.  selling price = $180, sale price = $154.80

c.  selling price = $1,600, sale price = $1,192

d.  selling price = $60,000, sale price = $56,100

In the year 2000, the average computer system decreased 20% in price from the previous year. If the average computer system price in the year 2000 was $1280, what was the average price in the previous year?

The number of flights out of a small airport increased from 1200 flights to 1500 flights during a one-year period. What is the percent increase in flights from this airport?

Find the simple interest earned, and corresponding balance, on the following bank deposits.

a.  principal = $8,000, rate = 6.2%, time = 1.5 years

b.  principal = $10,000, rate = 5.75%, time = 6 months

c.  principal = $25,000, rate = 7.5%, time = 12 years

d.  principal = $7,500, rate = 5.4%, time = 3 months

e.  principal = $1,200, rate = 19.8%, time = 100 days

In each of the following simple interest problems, three of the four quantities are given. Find the missing quantity. Round all answers to two decimal places.

a.  interest = $745, principal = $550, time = 12.3 years

b.  interest = $1250, principal = $600, rate = 11.3%

c.  interest = $869, rate = 6.3%, time = 8 months

d.  interest = $65,000, rate = 7.2%, time = 1 year

Calculate the amount owed and the monthly payment for the following simple interest loans.

a.  principal = $4,200, rate = 12.5%, time = 2 years

b.  principal = $7,500, rate = 10%, time = 9 months

c.  principal = $10,000, rate = 14.8%, time = 6 years

d.  principal = $25,000, rate = 9.9%, time = 5 1/2 years

You borrow $24,000 for a car loan, which charges an 11.9% simple interest rate. Compare the total amount owed and monthly payment for a 4 year loan and for a 6 year loan.

You borrow $15,000 from your parents to make a down payment on a house, and agree to a 8.5% simple interest loan. You can only afford to make payments of $300 per month, however. What term (length of time) should your car loan be?

Compute the balance and interest earned for each of the accounts, compounded annually.

a.  principal = $12,500, rate = 6.5%, time = 5years

b.  principal = $5,000, rate = 10.4%, time = 20years

c.  principal = $1,250, rate = 7.45%, time = 10years

d.  principal = $25,000, rate = 8.6%, time = 15years

Compute the balance and interest earned for each of the given accounts.

a.  principal = $4,000, rate = 6.8%, time = 6 years, compounded monthly

b.  principal = $10,000, rate = 11.5%, time = 10 years, compounded quarterly

c.  principal = $22,400, rate = 8.3%, time = 4 years, compounded daily

d.  principal = $15,000, rate = 9.8%, time = 8 years, compounded semiannually

Calculate the future price of the item with the given inflation/deflation rate.

a.  gasoline: price = $3.65/gallon, rate = 6.8%, time = 25 years

b.  college tuition: price = $1300/semester, rate = 13.5%, time = 15 years

c.  stock price: price = $74/share, rate = 21.3%, time = 5 years

d.  computer: price = $1350, rate = −8.6%, time = 12 years

Find the present value of the following future amounts.

a.  treasury bill: value = $15,000, rate = 5.6%, time = 4 years, compounded daily

b.  zero-coupon bond: value = $20,000, rate = 6.1%, time = 10 years, compounded monthly

c.  retirement plan: value = $800,000, rate = 8.4%, time = 30 years, compounded quarterly

d.  timber land: value = $12.8 million, rate = 4.6%, time = 45 years, compounded yearly