The table shows the number of notebooks sold at a bookshop last week.
|
Number of notebooks sold |
Per weekday |
6s |
Saturday |
2s + 40 |
Sunday |
3s - 6 |
- What was the total number of notebooks sold last week? Express your answer in terms of s the simplest form.
- If s = 21, how many notebooks were sold on Sunday?
(a)
Total notebooks sold on weekdays
= 5 x 6
s = 30
s Total notebooks sold on weekends
= 2
s + 40 + 3
s - 6
= 2
s + 3
s + 40 - 6
= 5
s + 34
Total notebooks sold last week
= 30
s + 5
s + 34
= 35
s + 34
(b)
Number of notebooks sold on Sunday
= (3 x 21) - 6
= 63 - 6
= 57
Answer(s): (a) 35
s + 34 or 34 + 35
s ; (b) 57