Question
PSLE
Names Number of glass bottles
Robert 4
Aria x
Josiah 4 + 7 x

The table shows the number of glass bottles collected by 3 pupils.
  1. Find the total number of glass bottles Robert, Aria and Josiah collected. Express the answer in terms of x in the simplest form.
  2. If x = 8, 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
Robert 4
Aria x
Josiah 4 + 7 x

The table shows the number of glass bottles collected by 3 pupils.
  1. Find the total number of glass bottles Robert, Aria and Josiah collected. Express the answer in terms of x in the simplest form.
  2. If x = 8, find the average number of glass bottles the 3 pupils collected.