Percent Change
Percent increase from 5 to 8.
60%
Cost: $10
Tax: 20%
How much tax will be added?
$2
Estimated amount: $6
Actual amount: $10
What is the percent error?
40%
Price: $20
Discount: 30%
What is the sale price?
$14
Principal: $100
Rate: 5%
Years: 2
How much interest will be earned?
$10
Percent decrease from 5 to 1.
80%
Cost: $20
Tax: 15%
How much tax will be added?
$3
Estimated amount: 2 feet
Actual amount: 8 feet
What is the percent error?
75%
Price: $40
Discount: 15%
What is the sale price?
$34
Principal: $500
Rate: 8%
Years: 6
How much interest will be earned?
$240
Percent decrease from 20 to 15.
25%
Cost: $56
Tax: 7%
How much tax will be added?
$3.92
Estimated amount: 43 people
Actual amount: 50 people
What is the percent error?
14%
Price: $130
Discount: 23%
What is the sale price?
$100.10
Principal: $3500
Rate: 8.2%
Years: 3
What will the account balance be?
$4,361.00
Percent increase from 20 to 30.
50%
Cost: $110
Tax: 23%
What will the total cost be?
$135.30
Estimated amount: 100
Actual amount: 85
What is the percent error?
18% or 17.6%
Price: $250
Discount: 33%
What is the sale price?
$167.50
Principal: $7000
Rate: 4.3%
Years: 12
What will the account balance be?
$10,612.00
Percent decrease from 55 to 44.
20%
Cost: $310
Tax: 7.2%
What will the total cost be?
$332.32
Estimated amount: $60
Actual amount: $58.12
What is the percent error?
3% or 3.2%
Price: $1745
Discount: 12%
What is the sale price?
$1,535.60
DAILY DOUBLE: How long would you need to leave $5000 in a bank that offered a 6% interest rate in order to generate $500 worth of interest?
1 year and 8 months