Question
PSLE
Betty is c years old. Ken is four times as old as Betty and Ken is 8 years younger than Billy.
  1. What is Billy's age in terms of c in years? ________ years
  2. If Betty is 9 years old, how many years older is Billy than Betty in years? ________ years
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
Betty is c years old. Ken is four times as old as Betty and Ken is 8 years younger than Billy.
  1. What is Billy's age in terms of c in years? ________ years
  2. If Betty is 9 years old, how many years older is Billy than Betty in years? ________ years