The table shows the number of markers sold at a bookshop last week.
|
Number of markers sold |
Per weekday |
5d |
Saturday |
4d + 40 |
Sunday |
3d - 8 |
- What was the total number of markers sold last week? Express your answer in terms of d the simplest form.
- If d = 25, how many markers were sold on Sunday?
(a)
Total markers sold on weekdays
= 5 x 5
d = 25
d Total markers sold on weekends
= 4
d + 40 + 3
d - 8
= 4
d + 3
d + 40 - 8
= 7
d + 32
Total markers sold last week
= 25
d + 7
d + 32
= 32
d + 32
(b)
Number of markers sold on Sunday
= (3 x 25) - 8
= 75 - 8
= 67
Answer(s): (a) 32
d + 32 or 32 + 32
d ; (b) 67