Given :
John lost 1.44 kg after a week of exercise.
One kilogram is equal to approximately 2.2 pounds.
To Find :
Which measurement is closest to the number of pounds that john lost.
Solution :
1 kg = 2.2 pounds .
Let, John lost x pounds.
x = 2.2 × 1.44 pounds
x = 3.168 pounds
Therefore, the number of pounds that john lost is 3.168 .
Hence, this is the required solution.