Find a repeater machine that will do the same work as a ( × ) machine.

If possible, find a hook-up of prime base number machine that will do the same work as the given stretching machine. Do not use ( × 1) machines.

Find two repeater machines that will do the same work as a ( × 81) machine.

Find three machines that can be replaced with hook-ups of ( × 5) machines.

The left column of the chart lists the lengths of input pieces of ribbon. Stretching machines are listed across the top. The other entries are the the outputs for sending the input ribbon from that row through the machine from that column. Copy and complete the chart.