The table shows the number of files sold at a bookshop last week.
|
Number of files sold |
Per weekday |
5p |
Saturday |
2p + 40 |
Sunday |
3p - 5 |
- What was the total number of files sold last week? Express your answer in terms of p the simplest form.
- If p = 25, how many files were sold on Sunday?
(a)
Total files sold on weekdays
= 5 x 5
p = 25
p Total files sold on weekends
= 2
p + 40 + 3
p - 5
= 2
p + 3
p + 40 - 5
= 5
p + 35
Total files sold last week
= 25
p + 5
p + 35
= 30
p + 35
(b)
Number of files sold on Sunday
= (3 x 25) - 5
= 75 - 5
= 70
Answer(s): (a) 30
p + 35 or 35 + 30
p ; (b) 70