PSLEA shop sold three brands of pens: Brand C, Brand D, and Brand E. The bar graph shows the number of pens sold for each brand in one day.
- How many pens were sold altogether?
- The shop collected $726 from selling the pens. The prices of Brand C, Brand D, and Brand E pens were in the ratio 4 : 1 : 8. How much money was collected from selling Brand D pens?
(a)
Number of Brand C pens sold = 33
Number of Brand D pens sold = 47
Number of Brand E pens sold = 23
Total number of pens sold
= 33 + 47 + 23
= 103
(b)
|
Brand C |
Brand D |
Brand E |
Number |
33 |
47 |
23 |
Price |
4 u |
1 u |
8 u |
Total value |
132 u |
47 u |
184 u |
Total amount of money collected
= 132 u + 47 u + 184 u
= 363 u
363 u = 726
1 u = 726 ÷ 363 = 2
Amount collected from selling Brand D pens
= 47 u
= 47 x 2
= $94
Answer(s): (a) 103; (b) $94