Proportions | ||
#1 | 48 is what percent of 80? | 60% |
#2 | What percent of 40 is 8? | 20% |
#3 | What is 72% of 18? | 12.96 |
#4 | 14 is 24% of what number? | 58 and 1/3 |
#5 | Fifteen students taking the state assessment exam forgot their calculator. Of the 250 students taking the exam, what percent forgot their calculator? | 6% |
Percent Equation & Tax | ||
#1 | A video controller cost $39. If a 6.75% sales tax is added, what is the total cost? | $41.63 |
#2 | Nine is what percent of 30? | 30% |
#3 | Find 60% of 30. | 18 |
#4 | 20 is 40% of what number? | 50 |
#5 | Marc purchases a lamp for $140. Sales tax is 6% on all purchases. How much sales tax did Marc pay? | $8.40 |
Percent of Change | ||
#1 | What is the percent of change from 14 inches of snowfall to 35 inches of snowfall? | 150% |
#2 | A runner ran 25 miles last week and 15 miles this week. Wha tis the percent of change? Identify if it is an increase or a decrease. | decrease; 40% |
#3 | A swimmer swam 300 meters yesterday and 420 meters today. What is the percent of change? Identify as an increase or decrease. | 40%; increase |
#4 | A coin dealer buys a coin for $850 and sells it for $1190. FInd the percent of change. | 40% |
#5 | A bicycle originally priced at $225 was marked down 30%. After a week, the bicycle was marked down another 15% off the sale price. What is the percent of change from the original price to the final sale price? | -40.5% or 40.5% decrease |
Mark-ups and Discounts | ||
#1 | Mei buys a suit marked $60. She receives a 25% discount. What is the sale price of the suit? | $45 |
#2 | A store makes a profit of $8 on a sweater after a markup of 40%. What is the selling price of the sweater? | $28 |
#3 | Maria buys a dress marked $54. She receives a 30% discount. What is the price of the dress? | $37.80 |
#4 | A store makes a profit of $15 on a wallet after a markup of 60%. What is the selling price of the wallet? | $40 |
#5 | A $525 speaker now sells for $393.75. Find the percent of the discount. | 25% discount or -25% |
Simple and Compound Interest | ||
#1 | Fiona deposited $900 in the bank over 2 years. She earned $60 in simple interest at the end of the 2 years. What was the annual interest rate? | 3 1/3% or 3.3% |
#2 | Julianna plans to borrow $3180 at 6.5% interest for 3.5 years. What amount of simple interest should she expect to pay? Round to the nearest dollar. | $723 |
#3 | An investment of $100 is compounded annually at 8%. What is the total amount of money after 2 years? | $1166.40 |
#4 | Jacqueline plans to borrow $4520 at 4.5% for 10 years. What amount of simple interest should she expect to pay? | $2034 |
#5 | An investment of $2000 is compounded annually at 5%. What is the total amount of money after 3 years? | $2315.25 |
Final Question | |