The table shows the number of pens sold at a bookshop last week.
| |
Number of pens sold |
| Per weekday |
6a |
| Saturday |
4a + 40 |
| Sunday |
3a - 8 |
- What was the total number of pens sold last week? Express your answer in terms of a the simplest form.
- If a = 26, how many pens were sold on Sunday?
(a)
Total pens sold on weekdays
= 5 x 6
a = 30
a Total pens sold on weekends
= 4
a + 40 + 3
a - 8
= 4
a + 3
a + 40 - 8
= 7
a + 32
Total pens sold last week
= 30
a + 7
a + 32
= 37
a + 32
(b)
Number of pens sold on Sunday
= (3 x 26) - 8
= 78 - 8
= 70
Answer(s): (a) 37
a + 32 or 32 + 37
a ; (b) 70
