Word Problem:

On September 26 2001, an earthquake in North Bay measured 5.0 on the Ritcher scale. What is the magnitude of an earthquake 3 times as intense as North Bay's earthquake?

My Work So Far:

Let represent the earthquake in North Bay

Let represent the earthquake in ________?

North Bay:

Somewhere Else:

Comparison:

Am I doing this right? If I am, what should I do next? If I'm not, where did I make my mistake and how should I correct it?

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Answer: 5.477