Question
PSLE
Names Number of cardboard
Nora 7
Lucy b
Julie 2 + 9 b

The table shows the number of cardboard collected by 3 children.
  1. Find the total number of cardboard Nora, Lucy and Julie collected. Express the answer in terms of b in the simplest form.
  2. If b = 3, 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
Nora 7
Lucy b
Julie 2 + 9 b

The table shows the number of cardboard collected by 3 children.
  1. Find the total number of cardboard Nora, Lucy and Julie collected. Express the answer in terms of b in the simplest form.
  2. If b = 3, find the average number of cardboard the 3 children collected.