Fractions, Decimals And Percentages Worksheet - Level 2 Page 9
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142 Fractions, decimals and percentages
13 An author gets royalty cheques once every six months.
Her contract states that she earns 8.4% in royalties on all her books sold.
Here is a record of how much
Date
March 2009
September 2009
she was paid in 2009.
Amount paid
£4982.67
£3240.56
The author wants to work out how
much the sales of her book came to in 2009.
Work out the approximate total amount of book sales.
Take a look: Budgeting
_
1
Bronwen spends 40% of her weekly income on bills. She spends
of her weekly income on
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food. She has about £130 left to spend on other things.
Bronwen cannot buy all the things she wants with only £130. She decides to halve the amount
she spends on food. She thinks this will double the amount she has to spend on other things.
a) Work out Browen’s total weekly income.
b) Bronwen halves the amount she spends on food. Work out how much Bronwen has
left to spend on other things.
c) Is it double the amount she had before?
Work out the percentage
A
of her income Bronwen spends
Here’s a possible solution:
on food
__
1
a)
is roughly 17%
6
Work out the percentage
A
of her income Bronwen spends
40% 17% 57%
on bills and food together
100% 57% 43%
Work out what percentage
A
43% of the total budget £130
of Bronwen’s income the £130 is
£130 43 100 is roughly £300
Work out the value of
A
Bronwen’s total weekly income
__
__
__
1
1
1
b)
2
6
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Bronwen plans to halve
R
what she spends on food.
__
1
of £300 is £25
Work out how much she will
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spend on food now
She spends 40% of £300 on bills:
40% of £300 £120
Work out how much
A
£300 £120 £25 £155
money Bronwen will have left
when she has paid for food and
bills
Bronwen has £155 left to spend on other things.
c) This is not double £130.
Evaluate your fi ndings
I
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