The table shows the number of notebooks sold at a bookshop last week.
| |
Number of notebooks sold |
| Per weekday |
6h |
| Saturday |
3h + 40 |
| Sunday |
3h - 7 |
- What was the total number of notebooks sold last week? Express your answer in terms of h the simplest form.
- If h = 25, how many notebooks were sold on Sunday?
(a)
Total notebooks sold on weekdays
= 5 x 6
h = 30
h Total notebooks sold on weekends
= 3
h + 40 + 3
h - 7
= 3
h + 3
h + 40 - 7
= 6
h + 33
Total notebooks sold last week
= 30
h + 6
h + 33
= 36
h + 33
(b)
Number of notebooks sold on Sunday
= (3 x 25) - 7
= 75 - 7
= 68
Answer(s): (a) 36
h + 33 or 33 + 36
h ; (b) 68
