The table shows the number of markers sold at a bookshop last week.
|
Number of markers sold |
Per weekday |
6d |
Saturday |
4d + 40 |
Sunday |
3d - 5 |
- What was the total number of markers sold last week? Express your answer in terms of d the simplest form.
- If d = 30, how many markers were sold on Sunday?
(a)
Total markers sold on weekdays
= 5 x 6
d = 30
d Total markers sold on weekends
= 4
d + 40 + 3
d - 5
= 4
d + 3
d + 40 - 5
= 7
d + 35
Total markers sold last week
= 30
d + 7
d + 35
= 37
d + 35
(b)
Number of markers sold on Sunday
= (3 x 30) - 5
= 90 - 5
= 85
Answer(s): (a) 37
d + 35 or 35 + 37
d ; (b) 85