Question

Medication is prescribed in 4 out of every 10 hospital emergency room visits that involve an injury. If a large urban hospital had 620 emergency room visits involving an injury in the past month, how many of these visits would be expected to include a prescription for medication?About (blank) emergency room visits would be expected to include a prescription for medication.

Answer 1

4/10 involved medication x/620

4:10 :: x : 620

x = (620 x 4) / 10

x = 2480/ 10

x = 248

Result: 248 visits involved medication