Question
PSLE
Names Number of cardboard
Ellie 4
Matthew z
William 5 + 9 z

The table shows the number of cardboard collected by 3 children.
  1. Find the total number of cardboard Ellie, Matthew and William collected. Express the answer in terms of z in the simplest form.
  2. If z = 6, 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
Ellie 4
Matthew z
William 5 + 9 z

The table shows the number of cardboard collected by 3 children.
  1. Find the total number of cardboard Ellie, Matthew and William collected. Express the answer in terms of z in the simplest form.
  2. If z = 6, find the average number of cardboard the 3 children collected.