Answer b
Step-by-step explanation:
the answer is b becasue on tuesday you deliver 18 then you now have 222 cases on tuesday and on wednesday you have 204 now because you delivered 18 then on thursday you now have 186 because you delivered 18 and alltogether you delivered 54 cases in three days so 240 minus 54 equals 186 because each day you deliver 18 and 18 times 3 is 54 so 54 minus 240 eguals 186 and 186 plus 18 is 204 and 204 plus 18 is 222 so b would be the correct answer