Question
PSLE
Names Number of cardboard
Jamie 3
Aria d
Jack 9 + 9 d

The table shows the number of cardboard collected by 3 children.
  1. Find the total number of cardboard Jamie, Aria and Jack collected. Express the answer in terms of d in the simplest form.
  2. If d = 9, find the average number of cardboard the 3 children 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
Jamie 3
Aria d
Jack 9 + 9 d

The table shows the number of cardboard collected by 3 children.
  1. Find the total number of cardboard Jamie, Aria and Jack collected. Express the answer in terms of d in the simplest form.
  2. If d = 9, find the average number of cardboard the 3 children collected.