Earning an Income
Taxation and Term Payments
Simple Interest
Compound Interest and Depreciation
100

Bill earns $20 per hour.

He works for 35 hours in a week, plus an extra 5 hours of overtime.

How much does he earn all together?

$850

100

Ben earns $57,250 in gross income per year and has allowable deductions of $1730.75.

Calculate his taxable income.

$55,519.25.

100

Find the interest earned on $25,000 invested at a rate of 3% p.a. for 4 years.

$3,000

100

$57,500 is invested into an account with a compound interest rate of 2% per annum for 7 years. What is the final amount? (To the nearest cent)

$66,049.43

200

Holly is paid $15 per hour and an additional $10 for each toy train she constructs.

If she works an eight hour day and creates 15 toy trains per day, how much will she have earned by the end of a 5-day week?

$1350

200

Uriel is a graphic designer who earns a salary of $90,575 and $1,572 in bank interest.

She has $582 worth of work related expenses and $254 in charity donations.

What is her taxable income?

$91,311
200

Maria invests $50,000 into a bank account with a simple interest rate of 0.75% per month for 5 years.

How much interest does she earn?

$22,500

200

A car originally worth $52,000 depreciates by 5% per year. How much is it worth after 30 months? (To the nearest cent)

$45,741.71

300

Nicole earns $32.50 per hour. She works for 32 hours per week at a normal rate and for 8 hours at double time for 40 weeks in a year.

Jerry earns a salary of $58,000 per year and earned a bonus of 2% of his total salary.

Who earns more?

Nicole = $62,000

Jerry = $59,450

Nicole earns more.

300

Steven earns a weekly wage of $2124.

If he has to pay 30% of his total wage to PAY G at the end of each week, calculate his total annual salary.

$77,313.60

300

Bob requires his principal to grow by $25,000 by the end of 5 years. If his bank has a simple interest rate of 4% per annum, how much will he need to invest?

$125,000
300

Find the original price of a computer which has depreciated by 7.2% per year for 5 years to the value of $2,450. (2 d.p.)

$3559.80

400
Robert's annual salary is $72,520. He 4 weeks' normal pay plus 17.5% annual leave loading for that 4 weeks.


What was his total pay for that 4 weeks? (To the nearest cent).

$6,554.69

400

Maree bought a backyard swimming pool for $22,500. She paid a 10% deposit and will repay the balance over 5 years, with flat-rate interest charged 7% p.a. 

Calculate the interest paid.

$7087.50

400

Angelica earns $500 in interest after investing $15,000 at a rate of 1% p.a.

How long was the amount invested for?

3 and a third years.

400

A vampire invested $2 into a bank account with an interest rate of 0.1% compounded monthly, then went to sleep for a thousand years.

How much would she have in her account after she wakes up?

$323,563.67

500

Jennifer is a realestate agent who is paid a salary of $55,000 and a commission of 2.5% for the first $50,000 of any property sold, and 1% of the remainder.

She sells a one bedroom tent for $25,000 and a SPOOKY mansion for $3.5 million within the period of one year.

$55,000 + $625 + $35,750

$91,375

500

Use the taxation table in your textbook to find the amount of tax required on an income of $105,401 with allowable deductions of $7,512.

$26,945

500

Aria earned $11727 of interest after investing $20,000 for 3 years. What was the interest rate per month?

1.6%

500

An investment increases to $30,612.47 of interest from a principal of $25,150 at an interest rate of 2% per annum. How many years was it invested for? To the nearest year?

7 years.

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