Hey!
Hope this helps...
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To solve this, we will be doing a semi-alternate route, but it will get us to our answer...
400 / 100 = 4
30 / 4 = 7.5 seconds
60 * 60 * 7.5 = 27,000 meters per hour
<em></em><em>Lets plug it into our meters to miles formula...</em>
27,000 / 1,609.344 ~ 16.777 miles per hour
So...
The answer is: The Polar Express was going 27,000 meters per hour (or roughly close to 16.777 miles per hour)...
My answer is A, hope it helps you
16.. (the rest of the number)
——- * 100
21….(the rest of the number)
No order of operations is what you might know as Pemdas ,number of Operations is something iv'e never heard of.
I hope it helped if you have any further questions you can ask
