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A solution is to be kept between 40°C and 45°C. What is the range of temperature in degree Fahrenheit, if the conversion formula is 
Answers (1)
Given: The solution should be kept between 400C & 450C
Now, let C be the temp in Celsius & F be the temp in Fahrenheit.
Thus, 40 < C < 45
On multiplying each term by 9/5,
72 < 9/5 C < 81
Now, add 32 to each term,
104 < 9/5 C + 32 < 113
Thus, 104 < F < 113
Therefore, F i.e., temp in Fahrenheit should be between 1040F & 1130F.
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