PSLEA shop sold three brands of pens: Brand F, Brand G, and Brand H. The bar graph shows the number of pens sold for each brand in one day.
- How many pens were sold altogether?
- The shop collected $2845 from selling the pens. The prices of Brand F, Brand G, and Brand H pens were in the ratio 5 : 2 : 8. How much money was collected from selling Brand G pens?
(a)
Number of Brand F pens sold = 31
Number of Brand G pens sold = 51
Number of Brand H pens sold = 39
Total number of pens sold
= 31 + 51 + 39
= 121
(b)
|
Brand F |
Brand G |
Brand H |
Number |
31 |
51 |
39 |
Price |
5 u |
2 u |
8 u |
Total value |
155 u |
102 u |
312 u |
Total amount of money collected
= 155 u + 102 u + 312 u
= 569 u
569 u = 2845
1 u = 2845 ÷ 569 = 5
Amount collected from selling Brand G pens
= 102 u
= 102 x 5
= $510
Answer(s): (a) 121; (b) $510