Question
PSLE
Names Number of tin cans
William 8
Mason r
Isabella 4 + 5 r

The table shows the number of tin cans collected by 3 students.
  1. Find the total number of tin cans William, Mason and Isabella collected. Express the answer in terms of r in the simplest form.
  2. If r = 5, 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
William 8
Mason r
Isabella 4 + 5 r

The table shows the number of tin cans collected by 3 students.
  1. Find the total number of tin cans William, Mason and Isabella collected. Express the answer in terms of r in the simplest form.
  2. If r = 5, find the average number of tin cans the 3 students collected.