The table shows the number of notebooks sold at a bookshop last week.
| |
Number of notebooks sold |
| Per weekday |
5s |
| Saturday |
4s + 40 |
| Sunday |
3s - 10 |
- What was the total number of notebooks sold last week? Express your answer in terms of s the simplest form.
- If s = 22, how many notebooks were sold on Sunday?
(a)
Total notebooks sold on weekdays
= 5 x 5
s = 25
s Total notebooks sold on weekends
= 4
s + 40 + 3
s - 10
= 4
s + 3
s + 40 - 10
= 7
s + 30
Total notebooks sold last week
= 25
s + 7
s + 30
= 32
s + 30
(b)
Number of notebooks sold on Sunday
= (3 x 22) - 10
= 66 - 10
= 56
Answer(s): (a) 32
s + 30 or 30 + 32
s ; (b) 56
