The table shows the number of markers sold at a bookshop last week.
|
Number of markers sold |
Per weekday |
5y |
Saturday |
3y + 40 |
Sunday |
3y - 5 |
- What was the total number of markers sold last week? Express your answer in terms of y the simplest form.
- If y = 23, how many markers were sold on Sunday?
(a)
Total markers sold on weekdays
= 5 x 5
y = 25
y Total markers sold on weekends
= 3
y + 40 + 3
y - 5
= 3
y + 3
y + 40 - 5
= 6
y + 35
Total markers sold last week
= 25
y + 6
y + 35
= 31
y + 35
(b)
Number of markers sold on Sunday
= (3 x 23) - 5
= 69 - 5
= 64
Answer(s): (a) 31
y + 35 or 35 + 31
y ; (b) 64