Q
QuestionMathematics

A speed limit of 45 mph is equivalent to 72 km/h. A sign says the speed limit is 90 km/h. What is the speed limit in miles per hour?
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Answer

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Step 1
I'll solve this problem step by step, following the specified LaTeX formatting guidelines:

Step 2
: Identify the given information

- Current speed limit: $$90 \text{ km/h}
- Conversion rate:
45 mph=72 km/h45 \text{ mph} = 72 \text{ km/h}

Final Answer

The speed limit of
90 km/h90 \text{ km/h}
is equivalent to
56.25 mph56.25 \text{ mph}
.

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