Find the total cost of a $148.99 chain saw purchased in a state with 4.25 % sales tax and in a city with 1.5 % sales tax.

Rollie Gusewelle has his auto dealer install auto seat covers on his used car. The seat covers costs $189.99 and installation another$45.89. The sales tax rate is 4. 7 % but is not applied to labor. What is the total cost of the seat covers to Rollie?

Find the extension for each purchase.

12 C @ $12.99

In each case, find your average power in watts.

Assume running consumes $100$ Calories per mile. If you run $10$-minute miles, what is your average power output, in watts, during a $1$-hour run?

Find out the average power in watts. Assume running consumes $150$ Calories per mile. If you run $6$-minute miles, what is your average power output, in watts, during a $1$-hour run?

Not enough heat from the furnace reaches one bedroom in a home. The homeowner uses a portable 1350-W electric heater 24 h per day to keep the bedroom warm during four cold winter months. At $\$ 0.12$ per kilowatt-hour, how much does it cost to operate the heater for four months? (Assume two 30-day and two 31-day months.)

An outdoor spa (hot tub) draws $1500$ watts to keep the water warm. If the utility company charges $\$ 0.10$ per kilowatt-hour, how much does it cost to operate the spa for four months during the winter ($24$ hours per day)?

A piano tuner replaced two strings and four felts in a piano and then tuned it. He charged $10.35 each for the strings and$3.45 each for the felts. He also charged $75 to tune the piano. A state tax rate of 5.5 % was applied to everything but the tuning. What was the sales tax? What was the total bill?

A queen-size mattress and box springs set that regularly sells for $1,499 is on sale for$1,349 .10.

How much would you save by buying the set on sale?

Find the unit price. Round up to the next higher cent.

5 suit hangars for $2.29

A piano is priced at $2,589 in a state with a 4.5 % sales tax. What is the sales tax amount? What is the total cost of the piano?

If you paid $30 to a loan company for the use of$1,000 for 60 days, what annual rate of interest did they charge?

Mona Allen wants to buy a bed that costs $695. The city sales tax rate is 7 % . In a nearb y city the sales tax rate is 4 % . How much less would the bed cost if Mona bought it in the nearby city?

High-density computer diskettes , regular ly priced at $3.99 a box, are on sale, 3 boxes for$1.99. How much would you save by buying 12 boxes at the sale price?