Some athletes have as little as 3.0% body fat. If such a person has a body mass of 72 kg , how many pounds of body fat does that person have
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Hi @jamie253 ....... Welcome to OpenStudy! :D
So, we want to find out the number of pounds of body fat present when it composes 3% of a 72 kg athlete. To do this, we need to:
1.) Find how many kg of body fat is present.
We know that it's 3% of the athlete's total mass of 72 kg, so:
100% of their mass = 72 kg
1% of their mass = 72 kg / 100
3% of their mass = (72 kg / 100)(3)
I'll leave it to you to finish calculating this one yourself....
2.) Convert this value in kg to pounds.
Having looked this up online, I found that:
1 kg = 2.0462 pounds
So, we multiply 2.0462 by whatever our fat mass is in kg to obtain the converted value in pounds. Hope that helped you out! :)
Why is this in organic chemistry section? There's no math involved in organic chemistry.