Question
One marble costs $c. One marker costs $(c + 15). One story book costs $3c.
  1. David bought 4 marbles, 3 markers and 1 story book. How much did he spend? Simplify your answer in terms of c.
  2. If c = 18, how much did David spend altogether?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

One marble costs $c. One marker costs $(c + 15). One story book costs $3c.
  1. David bought 4 marbles, 3 markers and 1 story book. How much did he spend? Simplify your answer in terms of c.
  2. If c = 18, how much did David spend altogether?