The healthcare provider prescribes erythromycin suspension 250 mg PO every 6 hours for a child with streptococcal pharyngitis. The drug is available in a suspension labeled, *200 mg/5 mL" How many mL should the nurse administer? (Enter numeric value only if rounding is required. round to the nearest hundredth.)

Given: Ordered dose of erythromycin: 250 mg Concentration of erythromycin suspension: 200 mg/5 mL Step 1: Set up the proportion: Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL) Step 2: Substitute the values: 250 mg / Volume = 200 mg/5 mL Step 3: Solve for the unknown volume: Volume = 250 mg / (200 mg/5 mL) Volume = 250 mg x (5 mL / 200 mg) Volume = 6.25 mL