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100 points / please help, im lost

100 points / please help, im lost-example-1
User Fethica
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2 Answers

5 votes

the answer to your question is D.12:15

User Renm
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Answer:

12:15 is NOT proportional to 3:4

Explanation:

7.5:10 is proportional to 3:4 because 3×2.5=7.5, and 4×2.5=10.

39:52 is proportional to 3:4 because 3×13=39, and 4×13=52

45:60 is proportional to 3:4 because 3x15=45, and 4×15=60

12:15 is not proportional to 3:4 because while you can multiply 3x4=12, you can not multiply 4×4 to get 15, you get 16 instead.

User Koceeng
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