Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown.
How long is a marathon? Don't understand your hint. Typos?
A runner has a stride length of 5 feet for the first half of the race and a stride length of 4.5 feet for the second half. How many strides would it take to finish the second half of the marathon?
Hint: 5 ft is 5.0 x 10
4.5 is 4.5 10
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