Mrs Andy paid a total of $45 for 3
m markers and 4 notebooks. Each marker cost $2.
- Express the cost of 1 notebook in terms of m.
- If m = 4, how much did each notebook cost?
(a)
Total amount spent on 3
m markers
= 3
m x 2
= $6
m Total amount spent on 4 notebooks = $(45 - 6
m)
Total amount spent on 1 notebook = $(
45 - 6m4)
(b)
Price of each notebook if
m = 4
= (45 - 6 x 4) ÷ 4
= (45 - 24) ÷ 4
= 21 ÷ 4
= $5.25
Answer(s): (a) $(
45 - 6m4) or $
45 - 6m4; (b) $5.25