The table shows the number of markers sold at a bookshop last week.
|
Number of markers sold |
Per weekday |
5y |
Saturday |
4y + 40 |
Sunday |
3y - 7 |
- What was the total number of markers sold last week? Express your answer in terms of y the simplest form.
- If y = 26, how many markers were sold on Sunday?
(a)
Total markers sold on weekdays
= 5 x 5
y = 25
y Total markers sold on weekends
= 4
y + 40 + 3
y - 7
= 4
y + 3
y + 40 - 7
= 7
y + 33
Total markers sold last week
= 25
y + 7
y + 33
= 32
y + 33
(b)
Number of markers sold on Sunday
= (3 x 26) - 7
= 78 - 7
= 71
Answer(s): (a) 32
y + 33 or 33 + 32
y ; (b) 71