Question
PSLE
Names Number of plastic bottles
John 3
Rachel j
Jayden 7 + 4 j

The table shows the number of plastic bottles collected by 3 students.
  1. Find the total number of plastic bottles John, Rachel and Jayden collected. Express the answer in terms of j in the simplest form.
  2. If j = 4, 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
John 3
Rachel j
Jayden 7 + 4 j

The table shows the number of plastic bottles collected by 3 students.
  1. Find the total number of plastic bottles John, Rachel and Jayden collected. Express the answer in terms of j in the simplest form.
  2. If j = 4, find the average number of plastic bottles the 3 students collected.