Question
PSLE
Names Number of cardboard
Isabella 3
Lily s
Ella 9 + 4 s

The table shows the number of cardboard collected by 3 students.
  1. Find the total number of cardboard Isabella, Lily and Ella collected. Express the answer in terms of s in the simplest form.
  2. If s = 3, find the average number of cardboard the 3 students collected.
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
Names Number of cardboard
Isabella 3
Lily s
Ella 9 + 4 s

The table shows the number of cardboard collected by 3 students.
  1. Find the total number of cardboard Isabella, Lily and Ella collected. Express the answer in terms of s in the simplest form.
  2. If s = 3, find the average number of cardboard the 3 students collected.