The nurse is preparing a client's dose of an IM analgesic in a single syringe. The prescription is hydromorphone 4 mg and hydroxyzine 25 mg. The hydromorphone is available in a 10 mg/ml ampule, and the hydroxyzine is available in a 50 mg/ml, vial. How many total mL should the nurse administer? (Enter the numeric value only it rounding is required, round to the nearest tenth.)