The table shows the number of staplers sold at a bookshop last week.
|
Number of staplers sold |
Per weekday |
5t |
Saturday |
4t + 40 |
Sunday |
3t - 9 |
- What was the total number of staplers sold last week? Express your answer in terms of t the simplest form.
- If t = 28, how many staplers were sold on Sunday?
(a)
Total staplers sold on weekdays
= 5 x 5
t = 25
t Total staplers sold on weekends
= 4
t + 40 + 3
t - 9
= 4
t + 3
t + 40 - 9
= 7
t + 31
Total staplers sold last week
= 25
t + 7
t + 31
= 32
t + 31
(b)
Number of staplers sold on Sunday
= (3 x 28) - 9
= 84 - 9
= 75
Answer(s): (a) 32
t + 31 or 31 + 32
t ; (b) 75