Question
PSLE
Names Number of glass bottles
Gabriel 8
Riordan r
Rachel 4 + 3 r

The table shows the number of glass bottles collected by 3 children.
  1. Find the total number of glass bottles Gabriel, Riordan and Rachel collected. Express the answer in terms of r in the simplest form.
  2. If r = 3, 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
Gabriel 8
Riordan r
Rachel 4 + 3 r

The table shows the number of glass bottles collected by 3 children.
  1. Find the total number of glass bottles Gabriel, Riordan and Rachel collected. Express the answer in terms of r in the simplest form.
  2. If r = 3, find the average number of glass bottles the 3 children collected.