Question
PSLE
For a recycling project, Dylan collected 17 cardboard boxes, Riordan collected 2n cardboard boxes and Carl collected 9 + n cardboard boxes.
  1. How many more cardboard boxes did Riordan collect than Carl?
  2. How many cardboard boxes did the 3 boys collect altogether?
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
For a recycling project, Dylan collected 17 cardboard boxes, Riordan collected 2n cardboard boxes and Carl collected 9 + n cardboard boxes.
  1. How many more cardboard boxes did Riordan collect than Carl?
  2. How many cardboard boxes did the 3 boys collect altogether?