As $1$ lb. = $0.45359237$ kg, $1$ kg is $2.20462262$ lbs. So, $$\frac{1.91}{2.20462262} \approx 0.87$$ canadian dollar/pound. One canadian dollar is worth $0.8$ dollar (as of February 16), so the result is approximately $0.7$ dollar/lb.
As $1$ lb. = $0.45359237$ kg, $1$ kg is $2.20462262$ lbs. So, $$\frac{1.91}{2.20462262} \approx 0.87$$ canadian dollar/pound. One canadian dollar is worth $0.8$ dollar (as of February 16), so the result is approximately $0.7$ dollar/lb.