The Chemistry Cafe was out of bread. The cook went next door to the bakery and bought a loaf of bread which has 33 slices. Then, she sells 12 sandwiches (two pieces of bread per sandwich). How much bread did she have left? Explain your answer.

The cook uses 2 slices of bread per sandwich. Which is equivalent to (the slices of bread) x (the total number of sandwiches) = total number of bread slices used. In this case 2 x 12 =24 slices used. Since the loaf of bread had 33, subtract the slices of bread used, 24. This results in 33-24= 9 slices of bread remaining.

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The Chemistry Cafe was out of bread. The cook went next door to the bakery and bought a loaf of bread which has 33 slices. Then, she sells 12 sandwiches (two pieces of bread per sandwich). How much bread did she have left? Explain your answer.​

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The Chemistry Cafe was out of bread. The cook went next door to the bakery and bought a loaf of bread which has 33 slices. Then, she sells 12 sandwiches (two pieces of bread per sandwich). How much bread did she have left? Explain your answer.