Answer:
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<span>The inverse image or preimage of a particular subset S of the codomain of a function is the set of all elements of the domain that map to the members of S. Image and inverse image may also be defined for general binary relations, not just functions.</span>
1 box = 100 buttons
10 boxes = 1000 buttons
5 boxes = 500 buttons
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15 boxes = 1500 Buttons
Answer:
1:3:8
Step-by-step explanation:
The original ratio erasers:pens:pencils is 5:15:40. Since the greatest common factor is 5, we can divide all the numbers by 5.
Therefore the ratio is 1:3:8
