PSAT Math Grid-Ins Question 8: Answer and Explanation
Question: 8
Linh travels from his home in Canada, where temperature is measured in degrees Celsius, to Houston, where temperature is measured in degrees Fahrenheit. The weather channel forecasts the high temperature in Houston for the next 2 days as 95 degrees and 86 degrees Fahrenheit, respectively. He wants to convert these temperatures from Fahrenheit to Celsius. To do so, he subtracts 32 from the degrees in Fahrenheit for each day and multiplies the difference by 
. How many degrees higher is the predicted temperature for the first day than the predicted temperature for the second day, in degrees Celsius?
Correct Answer: 5
Explanation:
5
The question asks for the difference in temperature between the first and second day in Celsius. Start by converting the temperatures from Fahrenheit into Celsius. To convert to Celsius, subtract 32 and then multiply by 
. The first temperature is (95 - 32) = 35. The second temperature is (86 - 32) = 30. The difference in temperature is 35 - 30 = 5. The correct answer is 5.
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