The table shows the number of pens sold at a bookshop last week.
|
Number of pens sold |
Per weekday |
5v |
Saturday |
2v + 40 |
Sunday |
3v - 7 |
- What was the total number of pens sold last week? Express your answer in terms of v the simplest form.
- If v = 28, how many pens were sold on Sunday?
(a)
Total pens sold on weekdays
= 5 x 5
v = 25
v Total pens sold on weekends
= 2
v + 40 + 3
v - 7
= 2
v + 3
v + 40 - 7
= 5
v + 33
Total pens sold last week
= 25
v + 5
v + 33
= 30
v + 33
(b)
Number of pens sold on Sunday
= (3 x 28) - 7
= 84 - 7
= 77
Answer(s): (a) 30
v + 33 or 33 + 30
v ; (b) 77