The table shows the number of staplers sold at a bookshop last week.
|
Number of staplers sold |
Per weekday |
6z |
Saturday |
4z + 40 |
Sunday |
3z - 7 |
- What was the total number of staplers sold last week? Express your answer in terms of z the simplest form.
- If z = 24, how many staplers were sold on Sunday?
(a)
Total staplers sold on weekdays
= 5 x 6
z = 30
z Total staplers sold on weekends
= 4
z + 40 + 3
z - 7
= 4
z + 3
z + 40 - 7
= 7
z + 33
Total staplers sold last week
= 30
z + 7
z + 33
= 37
z + 33
(b)
Number of staplers sold on Sunday
= (3 x 24) - 7
= 72 - 7
= 65
Answer(s): (a) 37
z + 33 or 33 + 37
z ; (b) 65