Question
PSLE
Names Number of tin cans
Lily 7
Luke a
Anna 8 + 5 a

The table shows the number of tin cans collected by 3 students.
  1. Find the total number of tin cans Lily, Luke and Anna collected. Express the answer in terms of a in the simplest form.
  2. If a = 9, find the average number of tin cans 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 tin cans
Lily 7
Luke a
Anna 8 + 5 a

The table shows the number of tin cans collected by 3 students.
  1. Find the total number of tin cans Lily, Luke and Anna collected. Express the answer in terms of a in the simplest form.
  2. If a = 9, find the average number of tin cans the 3 students collected.