The table shows the number of markers sold at a bookshop last week.
|
Number of markers sold |
Per weekday |
5m |
Saturday |
2m + 40 |
Sunday |
3m - 9 |
- What was the total number of markers sold last week? Express your answer in terms of m the simplest form.
- If m = 22, how many markers were sold on Sunday?
(a)
Total markers sold on weekdays
= 5 x 5
m = 25
m Total markers sold on weekends
= 2
m + 40 + 3
m - 9
= 2
m + 3
m + 40 - 9
= 5
m + 31
Total markers sold last week
= 25
m + 5
m + 31
= 30
m + 31
(b)
Number of markers sold on Sunday
= (3 x 22) - 9
= 66 - 9
= 57
Answer(s): (a) 30
m + 31 or 31 + 30
m ; (b) 57