Hector is hanging a 3-panel photo on the wall. He wants to leave 1/3 meter between each panel. How much wall space will he need from left to right? (photo shown)

*it also wants the equation used to solve. it will be addition i think.*

Hector is hanging a 3panel photo on the wall He wants to leave 13 meter between each panel How much wall space will he need from left to right photo shown it al class=