The table shows the number of pencils sold at a bookshop last week.
|
Number of pencils sold |
Per weekday |
5e |
Saturday |
3e + 40 |
Sunday |
3e - 7 |
- What was the total number of pencils sold last week? Express your answer in terms of e the simplest form.
- If e = 26, how many pencils were sold on Sunday?
(a)
Total pencils sold on weekdays
= 5 x 5
e = 25
e Total pencils sold on weekends
= 3
e + 40 + 3
e - 7
= 3
e + 3
e + 40 - 7
= 6
e + 33
Total pencils sold last week
= 25
e + 6
e + 33
= 31
e + 33
(b)
Number of pencils sold on Sunday
= (3 x 26) - 7
= 78 - 7
= 71
Answer(s): (a) 31
e + 33 or 33 + 31
e ; (b) 71