Level 2
Sofia bought a roll of cloth 650 cm long. She used 345 cm of it to cover a table and 213 cm to cover another smaller table. What was the length of the cloth she had left?
Level 3
Tables are arranged at an equal distance from one another. The distance between the 1st and the 2nd table is 4 m. What is the distance between the 3rd and the 10th table?