Question
Oscar has i erasers. Bobby has three times as many erasers as Oscar but 7 erasers fewer than Jason.
  1. How many erasers do they have altogether? (Express your answer in terms of i).
  2. If i = 12, how many erasers do the three boys have altogether?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Oscar has i erasers. Bobby has three times as many erasers as Oscar but 7 erasers fewer than Jason.
  1. How many erasers do they have altogether? (Express your answer in terms of i).
  2. If i = 12, how many erasers do the three boys have altogether?