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