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Linear inequalities in one or two variables SAT question
Math · Algebra · Easy · Answer it here, explanation included.
Normal body temperature for an adult is between 
and 
, inclusive. If Kevin, an adult male, has a body temperature that is considered to be normal, which of the following could be his body temperature?
ExplanationShow
Choice C is correct. Normal body temperature must be greater than or equal to 97.8°F but less than or equal to 99°F. Of the given choices, 97.9°F is the only temperature that fits these restrictions.
Choices A and B are incorrect. These temperatures are less than 97.8°F, so they don’t fit the given restrictions. Choice D is incorrect. This temperature is greater than 99°F, so it doesn’t fit the given restrictions.
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