The table shows the number of markers sold at a bookshop last week.
|
Number of markers sold |
Per weekday |
5z |
Saturday |
2z + 40 |
Sunday |
3z - 6 |
- What was the total number of markers sold last week? Express your answer in terms of z the simplest form.
- If z = 26, how many markers were sold on Sunday?
(a)
Total markers sold on weekdays
= 5 x 5
z = 25
z Total markers sold on weekends
= 2
z + 40 + 3
z - 6
= 2
z + 3
z + 40 - 6
= 5
z + 34
Total markers sold last week
= 25
z + 5
z + 34
= 30
z + 34
(b)
Number of markers sold on Sunday
= (3 x 26) - 6
= 78 - 6
= 72
Answer(s): (a) 30
z + 34 or 34 + 30
z ; (b) 72