The table shows the number of pens sold at a bookshop last week.
|
Number of pens sold |
Per weekday |
5g |
Saturday |
2g + 40 |
Sunday |
3g - 10 |
- What was the total number of pens sold last week? Express your answer in terms of g the simplest form.
- If g = 30, how many pens were sold on Sunday?
(a)
Total pens sold on weekdays
= 5 x 5
g = 25
g Total pens sold on weekends
= 2
g + 40 + 3
g - 10
= 2
g + 3
g + 40 - 10
= 5
g + 30
Total pens sold last week
= 25
g + 5
g + 30
= 30
g + 30
(b)
Number of pens sold on Sunday
= (3 x 30) - 10
= 90 - 10
= 80
Answer(s): (a) 30
g + 30 or 30 + 30
g ; (b) 80