Answer:
The resulting ratio is [tex]\LARGE\text{\boldsymbol{27:1}}[/tex].
Step-by-step explanation:
Since they are both divisible to 45, we are going to both of them to it.
[tex]1,215:45[/tex]
[tex]\frac{1,215}{45}:\frac{45}{45}[/tex]
[tex]\boxed{\boldsymbol{27:1}}[/tex]
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