Unit 9
Consumer Arithmetic
Presentation 1
Buying
Presentation 2
Hire Purchases
Presentation 3
Earning
Presentation 4
Money Exchange
Presentation 5
Savings
Presentation 6
Increasing Value
Unit 9
Consumer 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
Solution
a) Total amount paid
?
?
?
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
?
?
?
Unit 9
Consumer Arithmetic
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Buying
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Presentation 1
Buying
Presentation 2
Hire Purchases
Presentation 3
Earning
Presentation 4
Money Exchange
Presentation 5
Savings
Presentation 6
Increasing Value
Unit 9
Consumer 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.
Calculate
a) The cash price
b) The hire purchase price
c) The amount saved by buying the printer for cash rather
than on hire purchase
Solution
a) Cash price
?
?
?
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.
Calculate
a) The cash price
b) The hire purchase price
c) The amount saved by buying the printer for cash rather
than on hire purchase
Solution
b) Hire purchase price
?
?
?
?
?
c) Amount saved by paying cash
?
?
Unit 9
Consumer Arithmetic
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Hire Purchases
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Presentation 1
Buying
Presentation 2
Hire Purchases
Presentation 3
Earning
Presentation 4
Money Exchange
Presentation 5
Savings
Presentation 6
Increasing Value
Unit 9
Consumer Arithmetic
Earning
BASIC WEEK
Time
Wages
40 hours
J$32000
Overtime is paid at 50% extra per hour.
Calculate
a) The basic hourly rate
b) The overtime hourly rate
c) The total wages for a worker who worked 10 hours
overtime in one week
Solution
a) Basic hourly rate
?
?
?
BASIC WEEK
Time
Wages
40 hours
J$32000
Overtime is paid at 50% extra per hour.
Calculate
a) The basic hourly rate
b) The overtime hourly rate
c) The total wages for a worker who worked 10 hours
overtime in one week
Solution
b) Overtime hourly rate
?
?
?
?
?
?
BASIC WEEK
Time
Wages
40 hours
J$32000
Overtime is paid at 50% extra per hour.
Calculate
a) The basic hourly rate
b) The overtime hourly rate
c) The total wages for a worker who worked 10 hours
overtime in one week
Solution
c) Total wages
?
?
?
Unit 9
Consumer Arithmetic
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Earning
Return to front slide
Presentation 1
Buying
Presentation 2
Hire Purchases
Presentation 3
Earning
Presentation 4
Money Exchange
Presentation 5
Savings
Presentation 6
Increasing Value
Unit 9
Consumer Arithmetic
Money Exchange
Currency
Exchange Rate
Pound Sterling £
130 J$
US $
90 JS
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)
?
?
Unit 9
Consumer Arithmetic
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Money Exchange
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Presentation 1
Buying
Presentation 2
Hire Purchases
Presentation 3
Earning
Presentation 4
Money Exchange
Presentation 5
Savings
Presentation 6
Increasing Value
Unit 9
Consumer 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
?
?
?
Unit 9
Consumer Arithmetic
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Savings
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Presentation 1
Buying
Presentation 2
Hire Purchases
Presentation 3
Earning
Presentation 4
Money Exchange
Presentation 5
Savings
Presentation 6
Increasing Value
Unit 9
Consumer 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
?
?
?
?
?
?
Unit 9
Consumer 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