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Unit 9Consumer Arithmetic
Presentation 1 Buying
Presentation 2 Hire Purchases
Presentation 3 Earning
Presentation 4 Money Exchange
Presentation 5 Savings
Presentation 6 Increasing Value
Unit 9Consumer Arithmetic
Buying
a)Calculate the TOTAL amount a customer pays for the TV
b)The sale price of $1600 is 20% LESS THAN the original price. Calculate the ORIGINAL price
Solutiona) Total amount paid
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b) The sale price of $1600 is 20% LESS THAN the original price. Calculate the ORIGINAL price
Solution
b) If original price is $p, then
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Unit 9Consumer Arithmetic
You have finished viewing:
Buying
Return to front slide
Presentation 1 Buying
Presentation 2 Hire Purchases
Presentation 3 Earning
Presentation 4 Money Exchange
Presentation 5 Savings
Presentation 6 Increasing Value
Unit 9Consumer Arithmetic
Hire Purchases
A printer is advertised for sale at J$84 000. A discount of 12% is given if it is bought for cash. Its can also be bought on hire purchase by paying a deposit of J$29 400 followed by 24 monthly payments of J$ 2300 each.
Calculatea)The cash priceb)The hire purchase pricec)The amount saved by buying the printer for cash rather than on hire purchaseSolutiona) Cash price
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A printer is advertised for sale at J$84 000. A discount of 12% is given if it is bought for cash. Its can also be bought on hire purchase by paying a deposit of J$29 400 followed by 24 monthly payments of J$ 2300 each.
Calculatea)The cash priceb)The hire purchase pricec)The amount saved by buying the printer for cash rather than on hire purchaseSolutionb) Hire purchase price
c) Amount saved by paying cash
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Unit 9Consumer Arithmetic
You have finished viewing:
Hire Purchases
Return to front slide
Presentation 1 Buying
Presentation 2 Hire Purchases
Presentation 3 Earning
Presentation 4 Money Exchange
Presentation 5 Savings
Presentation 6 Increasing Value
Unit 9Consumer Arithmetic
Earning
BASIC WEEKTime Wages
40 hours J$32000
BASIC WEEKTime Wages
40 hours J$32000
Overtime is paid at 50% extra per hour.
Calculatea)The basic hourly rateb)The overtime hourly ratec)The total wages for a worker who worked 10 hours overtime in one week
Solutiona) Basic hourly rate
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BASIC WEEKTime Wages
40 hours J$32000
BASIC WEEKTime Wages
40 hours J$32000
Overtime is paid at 50% extra per hour.
Calculatea)The basic hourly rateb)The overtime hourly ratec)The total wages for a worker who worked 10 hours overtime in one week
Solutionb) Overtime hourly rate
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BASIC WEEKTime Wages
40 hours J$32000
BASIC WEEKTime Wages
40 hours J$32000
Overtime is paid at 50% extra per hour.
Calculatea)The basic hourly rateb)The overtime hourly ratec)The total wages for a worker who worked 10 hours overtime in one week
Solutionc) Total wages
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Unit 9Consumer Arithmetic
You have finished viewing:
Earning
Return to front slide
Presentation 1 Buying
Presentation 2 Hire Purchases
Presentation 3 Earning
Presentation 4 Money Exchange
Presentation 5 Savings
Presentation 6 Increasing Value
Unit 9Consumer Arithmetic
Money Exchange
How much would you get for exchanging
a)£15 sterling into Jamaican dollars
b)J$3000 into pounds sterling
c)$300.00 US into Jamaican dollars
Solution
a)
b)
c)
Currency Exchange Rate
Pound Sterling £ 130 J$
US $ 90 JS
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Unit 9Consumer Arithmetic
You have finished viewing:
Money Exchange
Return to front slide
Presentation 1 Buying
Presentation 2 Hire Purchases
Presentation 3 Earning
Presentation 4 Money Exchange
Presentation 5 Savings
Presentation 6 Increasing Value
Unit 9Consumer Arithmetic
Savings
In how many years would $100, invested at 5% per annum simple interest, amount to $160?
The interest in one year
The total amount of interest needed is
So the number of years required is
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Unit 9Consumer Arithmetic
You have finished viewing:
Savings
Return to front slide
Presentation 1 Buying
Presentation 2 Hire Purchases
Presentation 3 Earning
Presentation 4 Money Exchange
Presentation 5 Savings
Presentation 6 Increasing Value
Unit 9Consumer Arithmetic
Increasing Value
An antique is valued at J$4000. Its value increases by 5% each year for 3 years.
a)Find the value after two years
b)Show that the value after three years is J$4630∙50
Solution
a)After one years the value is
After two years, its value is
b) Its values after 3 years is
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Unit 9Consumer Arithmetic
You have finished viewing:
Increasing Value
Return to front slide
Presentation 1 Buying
Presentation 2 Hire Purchases
Presentation 3 Earning
Presentation 4 Money Exchange
Presentation 5 Savings
Presentation 6 Increasing Value