PSLEA shop sold three brands of pens: Brand E, Brand F, and Brand G. The bar graph shows the number of pens sold for each brand in one day.
- How many pens were sold altogether?
- The shop collected $846 from selling the pens. The prices of Brand E, Brand F, and Brand G pens were in the ratio 1 : 4 : 8. How much money was collected from selling Brand F pens?
(a)
Number of Brand E pens sold = 39
Number of Brand F pens sold = 30
Number of Brand G pens sold = 33
Total number of pens sold
= 39 + 30 + 33
= 102
(b)
|
Brand E |
Brand F |
Brand G |
Number |
39 |
30 |
33 |
Price |
1 u |
4 u |
8 u |
Total value |
39 u |
120 u |
264 u |
Total amount of money collected
= 39 u + 120 u + 264 u
= 423 u
423 u = 846
1 u = 846 ÷ 423 = 2
Amount collected from selling Brand F pens
= 120 u
= 120 x 2
= $240
Answer(s): (a) 102; (b) $240