The table shows the number of files sold at a bookshop last week.
|
Number of files sold |
Per weekday |
5m |
Saturday |
4m + 40 |
Sunday |
3m - 5 |
- What was the total number of files sold last week? Express your answer in terms of m the simplest form.
- If m = 29, how many files were sold on Sunday?
(a)
Total files sold on weekdays
= 5 x 5
m = 25
m Total files sold on weekends
= 4
m + 40 + 3
m - 5
= 4
m + 3
m + 40 - 5
= 7
m + 35
Total files sold last week
= 25
m + 7
m + 35
= 32
m + 35
(b)
Number of files sold on Sunday
= (3 x 29) - 5
= 87 - 5
= 82
Answer(s): (a) 32
m + 35 or 35 + 32
m ; (b) 82