The table shows the number of staplers sold at a bookshop last week.
| |
Number of staplers sold |
| Per weekday |
6i |
| Saturday |
2i + 40 |
| Sunday |
3i - 8 |
- What was the total number of staplers sold last week? Express your answer in terms of i the simplest form.
- If i = 30, how many staplers were sold on Sunday?
(a)
Total staplers sold on weekdays
= 5 x 6
i = 30
i Total staplers sold on weekends
= 2
i + 40 + 3
i - 8
= 2
i + 3
i + 40 - 8
= 5
i + 32
Total staplers sold last week
= 30
i + 5
i + 32
= 35
i + 32
(b)
Number of staplers sold on Sunday
= (3 x 30) - 8
= 90 - 8
= 82
Answer(s): (a) 35
i + 32 or 32 + 35
i ; (b) 82
