Question
PSLE
Use the table given to answer questions (a) and (b).
  1. What was the total number of wafers sold?
  2. Express your answer in terms of z in the simplest form. If z = 30, how many more wafers were sold on Sunday than on Saturday?
Day Number of wafers sold
Monday to Friday 3z per day
Saturday z + 21
Sunday 4z - 5
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 wafers sold?
  2. Express your answer in terms of z in the simplest form. If z = 30, how many more wafers were sold on Sunday than on Saturday?
Day Number of wafers sold
Monday to Friday 3z per day
Saturday z + 21
Sunday 4z - 5