Percentage Increase and Decrease
Increase $80 by 16%
$12.80
A manufacturer produces an item for $200 and sells it for $250. Determine the profit made.
Express this profit as a % of the cost price.
Profit = 50
% of cost price = 25%
Find the simple interest earned on $3000 at 4% p.a for 2 years.
Interest = $240
Find the total value of the investment when $5000 is invested at 3% compounded annually for 2 years.
$5304.50
The normal working hours pay rate is $19.70. Calculate the pay, including over time, for 7 hours and 5 hours at time and a half.
$285.65
Decrease 61.70 by 40%
$37.02
Mike runs his own company. Last year he took in $73,000 and it cost him 23,000 to run the company. What is his percentage profit?
217.39%
Sam and Sophie invest $20,000 for 42 months at the rate of 6.5%. Calculate the simple interest available at the end of 42 months.
$4550
Find total balance of the investment given. Round to nearest cent.
$30,000, 9%, 36 months
$38,850. 90
Frank earns an annual salary of $95,200 and works a 38-hour week. His wife Tania works part time in retail and earns $54.30 per hour.
How much does Frank earn per week?
If Tania works an average of 19 hours per week, what is her yearly income?
Per week = $1830.77
Yearly income = $53,648.40
A price of a coffee table increased from $77 to $95. Find the percentage increase. Round to one decimal place.
23.4%
Goodguys marks up all washing machines by 20%.
If the cost price of a washing machine is $600, what will be its selling price?
Selling price = $720
Annie invests $14000 at a rate of 3% p.a for 27 months. Calculate simple interest and amount available at end of 27 months.
Simple Interest = $945
Total Amount = $14, 945
Tom borrows $100,000 from a bank for 4 years and does not pay back any money until the end of the period. The compound interest rate is 6%. How much must he pay back at the end of the 4 years? Round to the nearest cent.
$126,247.70
James earned $330 in a work which he worked 6 hours during normal working hours and 4 hours overtime at time and a half. What was his hourly rate of pay?
$27.50
Matt, a rising swimmer, lowered his 50m butterfly time from 30.31 seconds to 28.91 seconds. Find the percentage decrease.
Round to two decimal places.
4.62%
A store has toys advertised at a 15% discount.
Find the sale price if a lego set was marked at $92.
Sale price = $78.20
Calculate the principal amount that earns $750 simple interest over 2 years at a rate of 6% p.a. Round to the nearest cent.
Principal amount = $6250
After 7 years, a loan grows $43,200. If the interest was compounded annually at a rate of 8%, what is the amount of the initial loan to the nearest dollar?
$25,207
A gross annual income is $74,631 and tax withheld is $9205. Calculate:
Net income = $65, 426
Percentage = 12.33%
The average attendance at a sporting match rose by 7% in the past year to 32176. Find the average attendance in the previous year to the nearest integer.
30071
A motorbike is discounted by 40%.
If the sale price was $6000, what was the original price?
Original Price = $10,000
Mia invests $4,200 at 6% p.a simple interest for a period of time and receives $189 interest. For how long (in months) did she invest the money?
9 months
Find the initial investment amount to the nearest dollar given the following financial balance, annual interest rate and time period.
$29100, 4.3%, 3 years
$25,647
Calculate the amount of tax to be paid on a salary of $52,000 if the tax payable is $3572 plus 32.5c for each $1 over $37000.
$4875