The table shows the number of files sold at a bookshop last week.
| |
Number of files sold |
| Per weekday |
5w |
| Saturday |
2w + 40 |
| Sunday |
3w - 6 |
- What was the total number of files sold last week? Express your answer in terms of w the simplest form.
- If w = 25, how many files were sold on Sunday?
(a)
Total files sold on weekdays
= 5 x 5
w = 25
w Total files sold on weekends
= 2
w + 40 + 3
w - 6
= 2
w + 3
w + 40 - 6
= 5
w + 34
Total files sold last week
= 25
w + 5
w + 34
= 30
w + 34
(b)
Number of files sold on Sunday
= (3 x 25) - 6
= 75 - 6
= 69
Answer(s): (a) 30
w + 34 or 34 + 30
w ; (b) 69
