The table shows the number of pencils sold at a bookshop last week.
|
Number of pencils sold |
Per weekday |
6d |
Saturday |
2d + 40 |
Sunday |
3d - 5 |
- What was the total number of pencils sold last week? Express your answer in terms of d the simplest form.
- If d = 22, how many pencils were sold on Sunday?
(a)
Total pencils sold on weekdays
= 5 x 6
d = 30
d Total pencils sold on weekends
= 2
d + 40 + 3
d - 5
= 2
d + 3
d + 40 - 5
= 5
d + 35
Total pencils sold last week
= 30
d + 5
d + 35
= 35
d + 35
(b)
Number of pencils sold on Sunday
= (3 x 22) - 5
= 66 - 5
= 61
Answer(s): (a) 35
d + 35 or 35 + 35
d ; (b) 61