SOLUTION: If 64 oranges can be brought for 480 pesos then how many can be bought for 105 pesos?

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Question 1122889: If 64 oranges can be brought for 480 pesos then how many can be bought for 105 pesos?

Answer by math_helper(2461) About Me  (Show Source):
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One way to solve this is to first find the price per orange (the "unit price"):

Unit price = 480 pesos / 64 oranges = 7.5 pesos/orange

Now, knowing the unit price, you can just multiply by the quantity of oranges (OR, you can divide an amount of pesos by the unit price to figure out how many oranges, which is what this problem requires):

Number of oranges = 105 pesos / (7.5 pesos/orange) = +highlight%2814%29+ oranges.

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As an alternative method, you can set up a proportion:
105/x = 480/64
Solving for x:
x = 105*64/480 = 14