Question
PSLE
Names Number of plastic bottles
Nora 4
Lily b
Dylan 2 + 7 b

The table shows the number of plastic bottles collected by 3 students.
  1. Find the total number of plastic bottles Nora, Lily and Dylan collected. Express the answer in terms of b in the simplest form.
  2. If b = 3, find the average number of plastic bottles the 3 students 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 plastic bottles
Nora 4
Lily b
Dylan 2 + 7 b

The table shows the number of plastic bottles collected by 3 students.
  1. Find the total number of plastic bottles Nora, Lily and Dylan collected. Express the answer in terms of b in the simplest form.
  2. If b = 3, find the average number of plastic bottles the 3 students collected.