High School

Given that \( D = \frac{a}{a + 12} \) and the adult weighs 75 kg, calculate the adult's weight in pounds.

a) 150 lbs
b) 165 lbs
c) 180 lbs
d) 195 lbs

Answer :

Final answer:

To convert an adult's weight from kilograms to pounds, multiply the weight in kilograms by the conversion factor 2.20462.

For a weight of 75 kg, the result is approximately 165 lbs.

Therefore, the correct answer is: option b) 165 lbs.

Explanation:

The question is asking to convert an adult's weight from kilograms to pounds.

Since the adult weighs 75 kg and we know that 1 kilogram is approximately equal to 2.20462 pounds, we can use the following calculation to make the conversion:

Multiply the weight in kilograms by the conversion factor:

75 kg * 2.20462 lbs/kg.

The result is the weight in pounds: => 165.3465 lbs, which we can round to 165 lbs.

Therefore, the correct answer is b) 165 lbs.