The table shows the number of pens sold at a bookshop last week.
|
Number of pens sold |
Per weekday |
6p |
Saturday |
4p + 40 |
Sunday |
3p - 7 |
- What was the total number of pens sold last week? Express your answer in terms of p the simplest form.
- If p = 21, how many pens were sold on Sunday?
(a)
Total pens sold on weekdays
= 5 x 6
p = 30
p Total pens sold on weekends
= 4
p + 40 + 3
p - 7
= 4
p + 3
p + 40 - 7
= 7
p + 33
Total pens sold last week
= 30
p + 7
p + 33
= 37
p + 33
(b)
Number of pens sold on Sunday
= (3 x 21) - 7
= 63 - 7
= 56
Answer(s): (a) 37
p + 33 or 33 + 37
p ; (b) 56