Question
PSLE
Names Number of glass bottles
William 4
Ella z
Ryan 5 + 4 z

The table shows the number of glass bottles collected by 3 pupils.
  1. Find the total number of glass bottles William, Ella and Ryan collected. Express the answer in terms of z in the simplest form.
  2. If z = 6, find the average number of glass bottles the 3 pupils 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
William 4
Ella z
Ryan 5 + 4 z

The table shows the number of glass bottles collected by 3 pupils.
  1. Find the total number of glass bottles William, Ella and Ryan collected. Express the answer in terms of z in the simplest form.
  2. If z = 6, find the average number of glass bottles the 3 pupils collected.