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A liquid must stay between 10 °C and 15 °C. What is the range in °F using F = 9C/5 + 32?
A42 < F < 51
B18 < F < 27
C54 < F < 63
D50 < F < 59
Answer & Solution
Correct answer: D. 50 < F < 59
F = 1.8(10) + 32 = 50 and F = 1.8(15) + 32 = 59, so 50 < F < 59.
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