The table shows the number of files sold at a bookshop last week.
| |
Number of files sold |
| Per weekday |
5h |
| Saturday |
3h + 40 |
| Sunday |
3h - 10 |
- What was the total number of files sold last week? Express your answer in terms of h the simplest form.
- If h = 24, how many files were sold on Sunday?
(a)
Total files sold on weekdays
= 5 x 5
h = 25
h Total files sold on weekends
= 3
h + 40 + 3
h - 10
= 3
h + 3
h + 40 - 10
= 6
h + 30
Total files sold last week
= 25
h + 6
h + 30
= 31
h + 30
(b)
Number of files sold on Sunday
= (3 x 24) - 10
= 72 - 10
= 62
Answer(s): (a) 31
h + 30 or 30 + 31
h ; (b) 62
