At one location, the temperature increased from -7° F to 40 F between 5:00 a. m. and 9:00 a. m. By 11:00 a. m., the temperature was 3.5 times greater than the 9:00 a. m. temperature. What was the total increase in temperature between 5:00 a. m. and 11:00 a. m., in degrees Fahrenheit?

the answer is 82 F add the temperature together

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step-by-step explanation:

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if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.