The table shows the number of pens sold at a bookshop last week.
|
Number of pens sold |
Per weekday |
5m |
Saturday |
3m + 40 |
Sunday |
3m - 9 |
- What was the total number of pens sold last week? Express your answer in terms of m the simplest form.
- If m = 24, how many pens were sold on Sunday?
(a)
Total pens sold on weekdays
= 5 x 5
m = 25
m Total pens sold on weekends
= 3
m + 40 + 3
m - 9
= 3
m + 3
m + 40 - 9
= 6
m + 31
Total pens sold last week
= 25
m + 6
m + 31
= 31
m + 31
(b)
Number of pens sold on Sunday
= (3 x 24) - 9
= 72 - 9
= 63
Answer(s): (a) 31
m + 31 or 31 + 31
m ; (b) 63