Question
Seth was training for a swimming competition. On Day 1 of his training, he swam 800 m. On Day 2, he swam 0.4 km more than Day 1. For each subsequent training session, he swam a distance of 0.4 km more than the previous training session.
  1. On Day 7 of his training session, how far did he swim? Give your answer in km.
  2. On which day did he swim a distance of 4 km?
5 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Seth was training for a swimming competition. On Day 1 of his training, he swam 800 m. On Day 2, he swam 0.4 km more than Day 1. For each subsequent training session, he swam a distance of 0.4 km more than the previous training session.
  1. On Day 7 of his training session, how far did he swim? Give your answer in km.
  2. On which day did he swim a distance of 4 km?