Answer:
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1/3, or 0.3 is there difference
Step-by-step explanation:









Rounding the answer is 100.
40 kph is equal to abt 11 mps so that means 40kph is faster
Note that [ (2x)^x ]^(1/x) = 2x, and that [ (2x)^(2x) ]^(1/x) = (2x)^2 = 4x^2
Multiplying these 2 results together, we get (2x)(4x^2) = 8x^3 (answer)