The table shows the number of pencils sold at a bookshop last week.
| |
Number of pencils sold |
| Per weekday |
6k |
| Saturday |
3k + 40 |
| Sunday |
3k - 8 |
- What was the total number of pencils sold last week? Express your answer in terms of k the simplest form.
- If k = 22, how many pencils were sold on Sunday?
(a)
Total pencils sold on weekdays
= 5 x 6
k = 30
k Total pencils sold on weekends
= 3
k + 40 + 3
k - 8
= 3
k + 3
k + 40 - 8
= 6
k + 32
Total pencils sold last week
= 30
k + 6
k + 32
= 36
k + 32
(b)
Number of pencils sold on Sunday
= (3 x 22) - 8
= 66 - 8
= 58
Answer(s): (a) 36
k + 32 or 32 + 36
k ; (b) 58
