A client is cоmplаining оf аbdоminаl pain and nausea. The prescription is as follows: give hydroxyzine 25 mg intramuscularly and meperidine 25 mg intramuscularly, stat. Hydroxyzine is available in 50 mg/mL. Meperidine is available in 25 mg/0.5 mL. The nurse would combine the doses in one syringe for administration to the muscle. How many milliliters would the nurse administer in total?