The correct answer is: $61.235\text{ kg}$
Explanation
Convert pounds to kilograms using the exact conversion $1\text{ lb}=0.45359237\text{ kg}$.
Steps:
- Apply the conversion: $$135\times0.45359237=61.23496995$$
- Round to a reasonable precision: $$61.23496995\approx61.235\text{ kg}$$
Therefore, $135\text{ lb}\approx61.235\text{ kg}$ (about $61.23\text{ kg}$ if rounded to two decimal places).