A clothing store had 300 hats on sale . Mr. V bought 12 hats and his four friends each bought a certain number of hats . Write an expression to represent how many hats Mr. V and his friends purchased?

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?