Your dog has a mass of 45.5 lb. What is the dog’s mass in kilograms? (Note: 1 lb = 0.45 kg.)
Answer
A
20.5 kg
B
101 kg
C
45.5 kg
Explanation
Convert pounds to kilograms by multiplying by 0.45 kg per pound: 45.5 × 0.45 = 20.475 kg. Rounded to the nearest tenth, the dog’s mass is 20.5 kg, choice A.
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