The table shows the number of files sold at a bookshop last week.
| |
Number of files sold |
| Per weekday |
5y |
| Saturday |
2y + 40 |
| Sunday |
3y - 5 |
- What was the total number of files sold last week? Express your answer in terms of y the simplest form.
- If y = 26, how many files were sold on Sunday?
(a)
Total files sold on weekdays
= 5 x 5
y = 25
y Total files sold on weekends
= 2
y + 40 + 3
y - 5
= 2
y + 3
y + 40 - 5
= 5
y + 35
Total files sold last week
= 25
y + 5
y + 35
= 30
y + 35
(b)
Number of files sold on Sunday
= (3 x 26) - 5
= 78 - 5
= 73
Answer(s): (a) 30
y + 35 or 35 + 30
y ; (b) 73
