The table shows the number of markers sold at a bookshop last week.
|
Number of markers sold |
Per weekday |
6m |
Saturday |
3m + 40 |
Sunday |
3m - 10 |
- What was the total number of markers sold last week? Express your answer in terms of m the simplest form.
- If m = 30, how many markers were sold on Sunday?
(a)
Total markers sold on weekdays
= 5 x 6
m = 30
m Total markers sold on weekends
= 3
m + 40 + 3
m - 10
= 3
m + 3
m + 40 - 10
= 6
m + 30
Total markers sold last week
= 30
m + 6
m + 30
= 36
m + 30
(b)
Number of markers sold on Sunday
= (3 x 30) - 10
= 90 - 10
= 80
Answer(s): (a) 36
m + 30 or 30 + 36
m ; (b) 80