At certain pizzeria 1/8 of the pizzas sold in one week were : PS Archive
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At certain pizzeria 1/8 of the pizzas sold in one week were

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At certain pizzeria 1/8 of the pizzas sold in one week were [#permalink]

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15 May 2006, 03:05
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At certain pizzeria 1/8 of the pizzas sold in one week were mushroom and 1/3 of the remaining pizzas sold were pepperoni. If n of the pizzas sold were pepperoni, how many were mushroom?

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Last edited by kpoxa on 15 May 2006, 04:06, edited 1 time in total.
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15 May 2006, 03:09
Ans choices would definitely help, as there can be many possibilities.
I am getting 3n/7
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15 May 2006, 03:21
Total # of pizzas sold = p

# of mushroom pizzas sold = p/8
# of pepperoni pizzas sold = 1/3(7p/8) = 7p/24

7p/24 = n
p/24 = n/7
p/8 = 3n/7
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15 May 2006, 04:08
At certain pizzeria 1/8 of the pizzas sold in one week were mushroom and 1/3 of the remaining pizzas sold were pepperoni. If n of the pizzas sold were pepperoni, how many were mushroom?

Let total pizzas sold me x

So, x/8 pizzas sold were mushrooms.
Remaining pizzas = 7x/8

1/3 of the remaining were pepperoni = 7x/24 = n

solving, x/8 = 3n/7
15 May 2006, 04:08
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At certain pizzeria 1/8 of the pizzas sold in one week were

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