How to make a basic train

Setting up a Freight Train

SOLVED: Investigation: TrainsIntroduction: Each of the following questions will involve building trains of different lengths using cars of different lengths. The following shows how a train of length 3 can be made from two cars of length 1 and one car of length 2 in three different ways:When asked how many trains of a given length you can make, simply count the number of different trains you can make:1. Using only length 1 cars and length 2 cars, build and record all the trains that you can make