Question
A departmental store had 150 television sets for sale during a 7-day period. The line graph shows the number of television sets left unsold at the end of each day. The number of television sets left unsold at the end of Day 7 was not shown.
  1. On which day was the greatest number of television sets sold? Give your answer in number. (Eg 1)
  2. The average number of television sets sold for the last three days was 13. How many television sets were sold on Day 7?
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

A departmental store had 150 television sets for sale during a 7-day period. The line graph shows the number of television sets left unsold at the end of each day. The number of television sets left unsold at the end of Day 7 was not shown.
  1. On which day was the greatest number of television sets sold? Give your answer in number. (Eg 1)
  2. The average number of television sets sold for the last three days was 13. How many television sets were sold on Day 7?