The table shows the number of notebooks sold at a bookshop last week.
|
Number of notebooks sold |
Per weekday |
6y |
Saturday |
3y + 40 |
Sunday |
3y - 8 |
- What was the total number of notebooks sold last week? Express your answer in terms of y the simplest form.
- If y = 22, how many notebooks were sold on Sunday?
(a)
Total notebooks sold on weekdays
= 5 x 6
y = 30
y Total notebooks sold on weekends
= 3
y + 40 + 3
y - 8
= 3
y + 3
y + 40 - 8
= 6
y + 32
Total notebooks sold last week
= 30
y + 6
y + 32
= 36
y + 32
(b)
Number of notebooks sold on Sunday
= (3 x 22) - 8
= 66 - 8
= 58
Answer(s): (a) 36
y + 32 or 32 + 36
y ; (b) 58