The table shows the number of pencils sold at a bookshop last week.
|
Number of pencils sold |
Per weekday |
6b |
Saturday |
2b + 40 |
Sunday |
3b - 10 |
- What was the total number of pencils sold last week? Express your answer in terms of b the simplest form.
- If b = 26, how many pencils were sold on Sunday?
(a)
Total pencils sold on weekdays
= 5 x 6
b = 30
b Total pencils sold on weekends
= 2
b + 40 + 3
b - 10
= 2
b + 3
b + 40 - 10
= 5
b + 30
Total pencils sold last week
= 30
b + 5
b + 30
= 35
b + 30
(b)
Number of pencils sold on Sunday
= (3 x 26) - 10
= 78 - 10
= 68
Answer(s): (a) 35
b + 30 or 30 + 35
b ; (b) 68