The table shows the number of pencils sold at a bookshop last week.
|
Number of pencils sold |
Per weekday |
6f |
Saturday |
3f + 40 |
Sunday |
3f - 7 |
- What was the total number of pencils sold last week? Express your answer in terms of f the simplest form.
- If f = 24, how many pencils were sold on Sunday?
(a)
Total pencils sold on weekdays
= 5 x 6
f = 30
f Total pencils sold on weekends
= 3
f + 40 + 3
f - 7
= 3
f + 3
f + 40 - 7
= 6
f + 33
Total pencils sold last week
= 30
f + 6
f + 33
= 36
f + 33
(b)
Number of pencils sold on Sunday
= (3 x 24) - 7
= 72 - 7
= 65
Answer(s): (a) 36
f + 33 or 33 + 36
f ; (b) 65