From the information given, try to express all the
varieties at a similar rate of $ per 100g. We get:
100g of
English Cadbury with waffles for $0.99
125g of Swiss Milka
with nuts for $1.09 => 1.09/ 125 = $ 0.872 per
100
200g of Belgian Cote d' Or with praline for $1.99
=> 1.99/ 2 = $0.995 per hundred
300g of American
Ghirardelli with caramel filling for $2.79 =>$0.93 per
hundred.
Therefore it would be least expensive to buy Swiss
Milka with nuts, so Jack buys Milka to get the maximum for the money he
has.
Jack buys
Milka
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