Please show how you get the answers
Problem 1. A $50 dollar computer program is on sale for $37.50. What is the percent decrease?
Problem 2. Peggy earns $10.68 per piece as a garment worker. What are her total wages if she had the following production rate?
Monday 81, Tuesday 88, Wednesday 92, Thursday 93, and Friday 89.
Problem 3. Find the ordinary interest on $1,800 for two months at a rate of 12%.
Problem 4. How much money will you have at the end of one year if interest is compounded semi-annually at 10% on a $6.00 deposit?
Problem 5. Find the selling price of an item listed at $400 subject to a discounted series of 25%, 10% and 5%.
Problem 6. last month a company had receipts totaling $3,700. The company had overhead costs of $444. What is the rate of overhead?
Problem 7. An invoice for $450 has terms 2/10, 1/30,n/60. If you pay on the eighth day, how much will you remit?
Problem 8. Find the exact interest for $600 at 8% for 45 days.
Problem 9. You by 24 keyboards for $120 each less 15%. What is your subtotal before taxes?