The table shows the number of markers sold at a bookshop last week.
|
Number of markers sold |
Per weekday |
6a |
Saturday |
2a + 40 |
Sunday |
3a - 8 |
- 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
= 2
a + 40 + 3
a - 8
= 2
a + 3
a + 40 - 8
= 5
a + 32
Total markers sold last week
= 30
a + 5
a + 32
= 35
a + 32
(b)
Number of markers sold on Sunday
= (3 x 27) - 8
= 81 - 8
= 73
Answer(s): (a) 35
a + 32 or 32 + 35
a ; (b) 73