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Wind Chill

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W = 91.4- (10.5 + 6.7v-0.45v)(457 - 5t),
where W and t are in degrees Fahrenheit and v is in miles
per hour (mph).
a) Find W to the nearest whole degree when t =25°F
and v =20 mph.
b) Use the accompanying graph to estimate W when
t =25°F and v =30 mph.

Comparing wind chills. Use the formula from above to determine who will feel colder:
a person in Minneapolis at 10°F with a 15-mph wind
or a person in Chicago at 20°F with a 25-mph wind.

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Wind chill comparisons are achieved.

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