For adults, the rda of the amino acid lysine is 12 mg per kg of body weight. how many grams per say should a 71.0 kg adult receive

The basketball coach tells his team to run sprints back and forth across the court, which is 30 m long. they start at the left end of the court, run back and forth 6 times, then end back at the left end of the court where they began. what distance did they run? what is their displacement?