There are 24 pictures on a roll of 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?
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Answer: 3.5
Step-by-step explanation:
no. of picture in one roll of film: 24
no. of pictures: 84
no. of rolls= 84/24= 3.5
e.g to understand it
you had 10 picture 5 picture on one roll. how many rolls needed?
= 10/5=2 rolls needed
inshort answer is 84/24= 3.5
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