Question
Bobby was training for a swimming competition. On Day 1 of his training, he swam 400 m. On Day 2, he swam 0.1 km more than Day 1. For each subsequent training session, he swam a distance of 0.1 km more than the previous training session.
  1. On Day 10 of his training session, how far did he swim? Give your answer in km.
  2. On which day did he swim a distance of 8 km?
5 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Bobby was training for a swimming competition. On Day 1 of his training, he swam 400 m. On Day 2, he swam 0.1 km more than Day 1. For each subsequent training session, he swam a distance of 0.1 km more than the previous training session.
  1. On Day 10 of his training session, how far did he swim? Give your answer in km.
  2. On which day did he swim a distance of 8 km?