Question
One marble costs $w. One pen costs $(w + 15). One colouring book costs $5w.
  1. Pierre bought 7 marbles, 3 pens and 1 colouring book. How much did he spend? Simplify your answer in terms of w.
  2. If w = 3, how much did Pierre 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 $w. One pen costs $(w + 15). One colouring book costs $5w.
  1. Pierre bought 7 marbles, 3 pens and 1 colouring book. How much did he spend? Simplify your answer in terms of w.
  2. If w = 3, how much did Pierre spend altogether?