Question
PSLE
Use the table given to answer questions (a) and (b).
  1. What was the total number of puffs sold?
  2. Express your answer in terms of z in the simplest form. If z = 25, how many less puffs were sold on Saturday than on Sunday?
Day Number of puffs sold
Monday to Friday 7z per day
Saturday z + 39
Sunday 4z - 7
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
Use the table given to answer questions (a) and (b).
  1. What was the total number of puffs sold?
  2. Express your answer in terms of z in the simplest form. If z = 25, how many less puffs were sold on Saturday than on Sunday?
Day Number of puffs sold
Monday to Friday 7z per day
Saturday z + 39
Sunday 4z - 7