The table shows the number of markers sold at a bookshop last week.
| |
Number of markers sold |
| Per weekday |
6a |
| Saturday |
3a + 40 |
| Sunday |
3a - 5 |
- What was the total number of markers sold last week? Express your answer in terms of a the simplest form.
- If a = 27, how many markers were sold on Sunday?
(a)
Total markers sold on weekdays
= 5 x 6
a = 30
a Total markers sold on weekends
= 3
a + 40 + 3
a - 5
= 3
a + 3
a + 40 - 5
= 6
a + 35
Total markers sold last week
= 30
a + 6
a + 35
= 36
a + 35
(b)
Number of markers sold on Sunday
= (3 x 27) - 5
= 81 - 5
= 76
Answer(s): (a) 36
a + 35 or 35 + 36
a ; (b) 76
