The table shows the number of staplers sold at a bookshop last week.
|
Number of staplers sold |
Per weekday |
5b |
Saturday |
4b + 40 |
Sunday |
3b - 7 |
- What was the total number of staplers sold last week? Express your answer in terms of b the simplest form.
- If b = 29, how many staplers were sold on Sunday?
(a)
Total staplers sold on weekdays
= 5 x 5
b = 25
b Total staplers sold on weekends
= 4
b + 40 + 3
b - 7
= 4
b + 3
b + 40 - 7
= 7
b + 33
Total staplers sold last week
= 25
b + 7
b + 33
= 32
b + 33
(b)
Number of staplers sold on Sunday
= (3 x 29) - 7
= 87 - 7
= 80
Answer(s): (a) 32
b + 33 or 33 + 32
b ; (b) 80