The table shows the number of staplers sold at a bookshop last week.
|
Number of staplers sold |
Per weekday |
5b |
Saturday |
3b + 40 |
Sunday |
3b - 5 |
- What was the total number of staplers sold last week? Express your answer in terms of b the simplest form.
- If b = 25, how many staplers were sold on Sunday?
(a)
Total staplers sold on weekdays
= 5 x 5
b = 25
b Total staplers sold on weekends
= 3
b + 40 + 3
b - 5
= 3
b + 3
b + 40 - 5
= 6
b + 35
Total staplers sold last week
= 25
b + 6
b + 35
= 31
b + 35
(b)
Number of staplers sold on Sunday
= (3 x 25) - 5
= 75 - 5
= 70
Answer(s): (a) 31
b + 35 or 35 + 31
b ; (b) 70