Tomato sauce
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This task is about working out the best price.
This table shows the prices for all the different types of tomato sauce and container sizes available at a supermarket.
![illustration: bottle of tomato sauce](/sites/default/files/resources/maths/number/1000/nm1274/ms2736_1.jpg)
Brand
|
Size of Container
|
|||
250 ml | 500 ml | 750 ml | 1 Litre (1000 ml) | |
Crest |
$2.20 |
$3.95 |
$6.45 |
$9.00 |
Acorn |
$1.90 |
$4.05 |
$6.25 |
$7.90 |
Watkins |
$2.25 |
$4.55 |
$6.70 |
$9.20 |
a) |
If Petra chose a 500 ml container, which brand would be the best value for money?
__________
|
|
b) |
Karen bought some 250 ml bottles of Watkins tomato sauce for $2.25 a bottle.
How much would a litre cost if she bought several of these bottles? $ __________
|
|
c) |
Joseph bought some 750 ml bottles of Crest tomato sauce that each cost $6.45. |
|
i)
ii)
|
How many bottles would he need to buy to have 3 litres of sauce? __________
How much would each litre of sauce cost him? $ __________
|
d) |
To get the best value for money, you should buy the _______________ brand
of sauce in a __________ ml container.
|