Mrs Bryan paid a total of $46 for 2
z markers and 8 notebooks. Each marker cost $2.
- Express the cost of 1 notebook in terms of z.
- If z = 4, how much did each notebook cost?
(a)
Total amount spent on 2
z markers
= 2
z x 2
= $4
z Total amount spent on 8 notebooks = $(46 - 4
z)
Total amount spent on 1 notebook = $(
46 - 4z8)
(b)
Price of each notebook if
z = 4
= (46 - 4 x 4) ÷ 8
= (46 - 16) ÷ 8
= 30 ÷ 8
= $3.75
Answer(s): (a) $(
46 - 4z8) or $
46 - 4z8; (b) $3.75