The table shows the number of pens sold at a bookshop last week.
| |
Number of pens sold |
| Per weekday |
5q |
| Saturday |
2q + 40 |
| Sunday |
3q - 6 |
- What was the total number of pens sold last week? Express your answer in terms of q the simplest form.
- If q = 21, how many pens were sold on Sunday?
(a)
Total pens sold on weekdays
= 5 x 5
q = 25
q Total pens sold on weekends
= 2
q + 40 + 3
q - 6
= 2
q + 3
q + 40 - 6
= 5
q + 34
Total pens sold last week
= 25
q + 5
q + 34
= 30
q + 34
(b)
Number of pens sold on Sunday
= (3 x 21) - 6
= 63 - 6
= 57
Answer(s): (a) 30
q + 34 or 34 + 30
q ; (b) 57
