Respuesta :

Here, we need to write a ratio. A ratio compares two quantities. 

45 to 1 hour

45:1

Final answer: 45:1
alexak
45 minutes : 1 hour

We need to make the units the same! This is crucial! If you do not have the proper units the whole answer is wrong!

45 minutes : 60 minutes

These are both divisible by 15:

3 minutes : 4 minutes

So, the ratio is 3 : 4

Final Answer: 3:4

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