Karen works in a retail computer store. She receives a weekly base salary of $300 plus a commission of 3% of sales exceeding her quota of $20,000 per week. What are her sales for a week in which she earns $630.38? (Round your answer to the nearest cent. Round your intermediate calculations to 2 decimal places.)

Karen works in a retail computer store. She receives a weekly base salary of $300 plus a commission of 3% of sales exceeding her quota of $20,000 per week.What are her sales for a week in which she earns $630.38? (Round your answer to the nearest cent. Round your intermediate calculations to 2 decimal places.) Total sales  =

Margo borrows $1300, agreeing to pay it back with 5% annual interest after 8 months. How much interest will she pay? Round your answer to the nearest cent, if necessary.

Notes are not required for this problem. If you want to buy an item in a store that costs $33 and is on sale for 25% off, then how much would the item actually cost you after the discount? Round to the nearest cent.

Sam loans Pam $971 for 30 months. If the annual interest rate on the loan is 8.6%, how much total interest will Pam pay?  Round your answer to the nearest dollar

what is the rate of return when 25 shares of stock a, purchased for 30/share, are sold for $825? The commission on the sale is $6.

A sales clerk receives a monthly salary of $950$ plus a commission of 6% on all sales over $4600$ What did the clerk earn the month that he sold $12,500 in merchandise? Follow the problem-solving process and round your answer to the nearest cent, if necessary.

A store decreases the price of a sofa by 16% this month only, to $5800. What was the price before the discount? Round to the nearest dollar.

J-laws has a balance of $20,000 on her credit card charging 5% interest per month on her unpaid balance. J-laws pays $5,000 toward the balance each month. Find her balance after 4 months.

Mike Branson invested his summer earnings of $6000 in a savings account for college. The account pays 1.5% interest. How much will this amount to in 6 months? Mike's savings will amount to $ in 6 months. (Round to the nearest cent as needed.)