The table shows the number of files sold at a bookshop last week.
| |
Number of files sold |
| Per weekday |
5p |
| Saturday |
4p + 40 |
| Sunday |
3p - 8 |
- What was the total number of files sold last week? Express your answer in terms of p the simplest form.
- If p = 20, how many files were sold on Sunday?
(a)
Total files sold on weekdays
= 5 x 5
p = 25
p Total files sold on weekends
= 4
p + 40 + 3
p - 8
= 4
p + 3
p + 40 - 8
= 7
p + 32
Total files sold last week
= 25
p + 7
p + 32
= 32
p + 32
(b)
Number of files sold on Sunday
= (3 x 20) - 8
= 60 - 8
= 52
Answer(s): (a) 32
p + 32 or 32 + 32
p ; (b) 52
