A client with mycobacterium avium complex (mac) is receiving an infusion of 5 % dextrose in water (d, w/with amikacin (amikin) 0.5 grams/100 ml every 12 hours. the nurse prepares the dose of amikacin using a vial labeled, " 250 mg/ml." how many mi should th add to the infusion? (enter numeric value only. if rounding is required, round to the nearest tenth.)