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Mathematics 19 Online
OpenStudy (anonymous):

there are 24 pictures on a roll film. Adelle had 84 pictures from her trip home. She said that 12 other pictures were spoiled. How many rolls of film did Adelle use ?

OpenStudy (kymber):

There's 12 other pictures besides the 84 good ones, so you add those together. Then you divide it by 24 to find how many rolls she used.|dw:1347388461328:dw|

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