On the same bus, 1/3 of the french speakers can also speak german. how many people can speak both german and french

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.

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

What is the inverse of the function f(x) = 2x + 1?