The table shows the number of staplers sold at a bookshop last week.
|
Number of staplers sold |
Per weekday |
6d |
Saturday |
4d + 40 |
Sunday |
3d - 8 |
- What was the total number of staplers sold last week? Express your answer in terms of d the simplest form.
- If d = 30, how many staplers were sold on Sunday?
(a)
Total staplers sold on weekdays
= 5 x 6
d = 30
d Total staplers sold on weekends
= 4
d + 40 + 3
d - 8
= 4
d + 3
d + 40 - 8
= 7
d + 32
Total staplers sold last week
= 30
d + 7
d + 32
= 37
d + 32
(b)
Number of staplers sold on Sunday
= (3 x 30) - 8
= 90 - 8
= 82
Answer(s): (a) 37
d + 32 or 32 + 37
d ; (b) 82