What is the lcm of, 2 and 5, 8 and 12, and 8 and 10

Name the most appropriate metric unit for each measurement like the mass of cow

Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.