Cost to stay one night at Sleepyhead Motel without breakfast = $119
Cost to stay one night at Sleepyhead Motel with breakfast = $124
⇒ Difference in the cost for a one night stay with and without breakfast = Cost to stay one night at Sleepyhead Motel with breakfast - Cost to stay one night at Sleepyhead Motel without breakfast
⇒ Difference in the cost for a one night stay with and without breakfast = $124 - $119
⇒ Difference in the cost for a one night stay with and without breakfast = $5