A box of biscuits
A box of biscuits contains 36 biscuits. 20 biscuits have foil wrappers. 15 are chocolate biscuits with foil wrappers. If 9 are not chocolate and do not have a foil wrapper, then how many chocolate biscuits are there?
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Using this info, we can create a table:
ReplyDeleteFoil wrapper Not foil wrapper
Chocolate 15 7
Not Chocolate 5 9
This gives us an answer of 22