The table shows the number of files sold at a bookshop last week.
| |
Number of files sold |
| Per weekday |
6v |
| Saturday |
3v + 40 |
| Sunday |
3v - 7 |
- What was the total number of files sold last week? Express your answer in terms of v the simplest form.
- If v = 30, how many files were sold on Sunday?
(a)
Total files sold on weekdays
= 5 x 6
v = 30
v Total files sold on weekends
= 3
v + 40 + 3
v - 7
= 3
v + 3
v + 40 - 7
= 6
v + 33
Total files sold last week
= 30
v + 6
v + 33
= 36
v + 33
(b)
Number of files sold on Sunday
= (3 x 30) - 7
= 90 - 7
= 83
Answer(s): (a) 36
v + 33 or 33 + 36
v ; (b) 83
