SOLUTION: Michelle ordered two pizzas. Each pizza was cut into eight slices of equal size. she gave 1/2 of a pizza to Chris, 3/8 of a pizza to John, 1/4 of a pizza to Sally. How many slices

Question 11496: Michelle ordered two pizzas. Each pizza was cut into eight slices of equal size. she gave 1/2 of a pizza to Chris, 3/8 of a pizza to John, 1/4 of a pizza to Sally. How many slices of pizza were left?
Found 2 solutions by usyim88hk, famousfk:
Answer by usyim88hk(158) (Show Source): You can put this solution on YOUR website!
So we know that she ordered 2 pizzas which are cut into 8 pieces on each one, so we get 16 pieces of pizzas.
Since Chris got 1/2 of "a" pizza, he got 1/2 times 8 which equals to 4 pizzas
Since John got 3/8 of "a" pizza, he got 3/8 times 8 which equals to 3 pizzas
Since Sally got 1/4 of "a" pizza, she got 1/4 times 8 which equals to 2 pizzas
Since 9 pizzas were taken away, Micelle got 16 - 9 pizzas which is 7 pizzas
Answer by famousfk(1) (Show Source): You can put this solution on YOUR website!
THe answer is 7 slices.

Ok so there are 16 slices all together.
(Chris got 1/2 of pizza which is 4 slices.)
16 - 4 = 12 slices.
(John got 3/8 of a pizza which is 3 slices.)
12 - 3 = 9 slices
(Sally got 1/4 of a pizza which is 2 slices.)
9 - 2 = 7 slices.

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