The table shows the number of notebooks sold at a bookshop last week.
| |
Number of notebooks sold |
| Per weekday |
6e |
| Saturday |
4e + 40 |
| Sunday |
3e - 10 |
- What was the total number of notebooks sold last week? Express your answer in terms of e the simplest form.
- If e = 23, how many notebooks were sold on Sunday?
(a)
Total notebooks sold on weekdays
= 5 x 6
e = 30
e Total notebooks sold on weekends
= 4
e + 40 + 3
e - 10
= 4
e + 3
e + 40 - 10
= 7
e + 30
Total notebooks sold last week
= 30
e + 7
e + 30
= 37
e + 30
(b)
Number of notebooks sold on Sunday
= (3 x 23) - 10
= 69 - 10
= 59
Answer(s): (a) 37
e + 30 or 30 + 37
e ; (b) 59
