The horsepower, H(s), required for a racecar to overcome wind resistance is given by the function: H(s) = 0.003s^2+0.07s-0.027,
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Questions like this ("how much higher is x than y?") are answered by computing the ratio of the two quantities.
In fact, for example, the answer to "how much higher is 10 than 5?" is 2, because 10:5 = 2, and indeed 10 is twice as much as 5.
So, we have
So, the melting temperature of platinum is about one time and a half higher than the melting temperature of gold.