What error did the manager make? O The manager should have divided 20 by 10 to
calculate the number of sandwiches sold per hour.
O The manager should have added 20 and 10 to
calculate the number of sandwiches sold per hour.
The manager should have multiplied 20 times 6 to
calculate the number of sandwiches sold per hour.
O The manager should have divided 200 by 3 to
calculate the number of sandwiches.
The manager should have added 200 and 3 to
calculate the number of sandwiches.