The table shows the number of staplers sold at a bookshop last week.
|
Number of staplers sold |
Per weekday |
6x |
Saturday |
3x + 40 |
Sunday |
3x - 9 |
- What was the total number of staplers sold last week? Express your answer in terms of x the simplest form.
- If x = 29, how many staplers were sold on Sunday?
(a)
Total staplers sold on weekdays
= 5 x 6
x = 30
x Total staplers sold on weekends
= 3
x + 40 + 3
x - 9
= 3
x + 3
x + 40 - 9
= 6
x + 31
Total staplers sold last week
= 30
x + 6
x + 31
= 36
x + 31
(b)
Number of staplers sold on Sunday
= (3 x 29) - 9
= 87 - 9
= 78
Answer(s): (a) 36
x + 31 or 31 + 36
x ; (b) 78