PSLEA shop sold three brands of pens: Brand D, Brand E, and Brand F. The bar graph shows the number of pens sold for each brand in one day.
- How many pens were sold altogether?
- The shop collected $3591 from selling the pens. The prices of Brand D, Brand E, and Brand F pens were in the ratio 3 : 2 : 7. How much money was collected from selling Brand E pens?
(a)
Number of Brand D pens sold = 66
Number of Brand E pens sold = 63
Number of Brand F pens sold = 27
Total number of pens sold
= 66 + 63 + 27
= 156
(b)
|
Brand D |
Brand E |
Brand F |
Number |
66 |
63 |
27 |
Price |
3 u |
2 u |
7 u |
Total value |
198 u |
126 u |
189 u |
Total amount of money collected
= 198 u + 126 u + 189 u
= 513 u
513 u = 3591
1 u = 3591 ÷ 513 = 7
Amount collected from selling Brand E pens
= 126 u
= 126 x 7
= $882
Answer(s): (a) 156; (b) $882