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