The table shows the number of pencils sold at a bookshop last week.
|
Number of pencils sold |
Per weekday |
6k |
Saturday |
2k + 40 |
Sunday |
3k - 9 |
- What was the total number of pencils sold last week? Express your answer in terms of k the simplest form.
- If k = 24, how many pencils were sold on Sunday?
(a)
Total pencils sold on weekdays
= 5 x 6
k = 30
k Total pencils sold on weekends
= 2
k + 40 + 3
k - 9
= 2
k + 3
k + 40 - 9
= 5
k + 31
Total pencils sold last week
= 30
k + 5
k + 31
= 35
k + 31
(b)
Number of pencils sold on Sunday
= (3 x 24) - 9
= 72 - 9
= 63
Answer(s): (a) 35
k + 31 or 31 + 35
k ; (b) 63