C = 1.6(30w + 70)
The formula above can be used to approximate the
daily energy requirement C, in calories, of an adult
dog in terms of the dog's weight w, in kilograms.
Based on the formula, if a dog has a daily energy
requirement of at least 1,120 calories and at most
1,216 calories, which of the following inequalities
represents the range of all possible values of the dog's
body weight, to the nearest tenth of a kilogram?
A) 21.0 SWS 23.0
B) 21.9 C) 24.8 D) 25.7 SWS 27.7
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