The table shows the number of files sold at a bookshop last week.
|
Number of files sold |
Per weekday |
5v |
Saturday |
4v + 40 |
Sunday |
3v - 8 |
- 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 5
v = 25
v Total files sold on weekends
= 4
v + 40 + 3
v - 8
= 4
v + 3
v + 40 - 8
= 7
v + 32
Total files sold last week
= 25
v + 7
v + 32
= 32
v + 32
(b)
Number of files sold on Sunday
= (3 x 30) - 8
= 90 - 8
= 82
Answer(s): (a) 32
v + 32 or 32 + 32
v ; (b) 82