The table shows the number of pencils sold at a bookshop last week.
|
Number of pencils sold |
Per weekday |
6d |
Saturday |
3d + 40 |
Sunday |
3d - 6 |
- What was the total number of pencils sold last week? Express your answer in terms of d the simplest form.
- If d = 26, how many pencils were sold on Sunday?
(a)
Total pencils sold on weekdays
= 5 x 6
d = 30
d Total pencils sold on weekends
= 3
d + 40 + 3
d - 6
= 3
d + 3
d + 40 - 6
= 6
d + 34
Total pencils sold last week
= 30
d + 6
d + 34
= 36
d + 34
(b)
Number of pencils sold on Sunday
= (3 x 26) - 6
= 78 - 6
= 72
Answer(s): (a) 36
d + 34 or 34 + 36
d ; (b) 72