Question
Xavier has k buttons. Bobby has three times as many buttons as Xavier but 7 buttons fewer than Jason.
  1. How many buttons do they have altogether? (Express your answer in terms of k).
  2. If k = 9, how many buttons 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

Xavier has k buttons. Bobby has three times as many buttons as Xavier but 7 buttons fewer than Jason.
  1. How many buttons do they have altogether? (Express your answer in terms of k).
  2. If k = 9, how many buttons do the three boys have altogether?