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Re: A pizza-seller offers six kinds of toppings and two kinds of breads fo [#permalink]
Expert Reply
Each pizza has equal no of breads and equal no of toppings. This means that pizza can be a combination of
1 bread (can be chosen among 2) and 1topping ( can be chosen among 6 )
OR
can be a combination of
2 breads (can be chosen among 2) and 2 toppings( can be chosen among 6 )

=

2C1*6C1 + 2C2*6C2 = 27
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Re: A pizza-seller offers six kinds of toppings and two kinds of breads fo [#permalink]
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