Question
PSLE
Names Number of glass bottles
Samuel 9
Lily z
Risa 9 + 8 z

The table shows the number of glass bottles collected by 3 children.
  1. Find the total number of glass bottles Samuel, Lily and Risa collected. Express the answer in terms of z in the simplest form.
  2. If z = 9, find the average number of glass bottles 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 glass bottles
Samuel 9
Lily z
Risa 9 + 8 z

The table shows the number of glass bottles collected by 3 children.
  1. Find the total number of glass bottles Samuel, Lily and Risa collected. Express the answer in terms of z in the simplest form.
  2. If z = 9, find the average number of glass bottles the 3 children collected.