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?

answer:

option b: 4 rolls

step-by-step explanation:

given that:

each roll contains = 24 pictures

adelle's pictures = 84

spoiled pictures = 12

total pictures = 84 + 12 = 96

so the rolls required are:

rolls = 96/24

rolls = 4

so adelle use r rolls