Question
20 pupils are standing in a row at an equal distance from one another. The distance between the 2nd and the 10th pupil is 40 m. How far apart is the 2nd pupil and the last pupil?
4 m

Click button first when a symbol is required. X

20 pupils are standing in a row at an equal distance from one another. The distance between the 2nd and the 10th pupil is 40 m. How far apart is the 2nd pupil and the last pupil?