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a large pizza has 12 slices. eat 1/4 of the pizza, how many slices of pizza are eaten

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3 Answers

What Bobby Ate = 1/4(Pizza)
Pizza = 12 slices,
So, What Bobby Ate = 1/4(12 slices),
Therefore, What Bobby Ate = 1/4(12 slices) = 3 slices
...
Check your answer: The pizza slices can be written as 3 + 3 + 3 + 3 = 12 ... There are 4 sets slices, with 3 slices per set... The problem states that Bobby ate 1/4 of the pizza... One fourth of the pizza is one set, and one set is 3. So, Bobby ate 3 slices.
The question is how many out of 12 is 1/4? We can do this in a couple of ways. First, set up this equation:
 
x/12 = 1/4
 
Solve it by multiplying both sides by 12:
 
x/12 = 1/4
x = 12/4
x = 3
 
The other way to solve this is to ask yourself "how many times does 4 go into 12?" The answer there is 3. So 1 * 3 = 3. Either way, Bobby at 3 slices!

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