PSLEA shop sold three brands of notebooks: Brand E, Brand F, and Brand G. The bar graph shows the number of notebooks sold for each brand in one day.
- How many notebooks were sold altogether?
- The shop collected $1911 from selling the notebooks. The prices of Brand E, Brand F, and Brand G notebooks were in the ratio 2 : 5 : 4. How much money was collected from selling Brand F notebooks?
(a)
Number of Brand E notebooks sold = 65
Number of Brand F notebooks sold = 55
Number of Brand G notebooks sold = 58
Total number of notebooks sold
= 65 + 55 + 58
= 178
(b)
|
Brand E |
Brand F |
Brand G |
Number |
65 |
55 |
58 |
Price |
2 u |
5 u |
4 u |
Total value |
130 u |
275 u |
232 u |
Total amount of money collected
= 130 u + 275 u + 232 u
= 637 u
637 u = 1911
1 u = 1911 ÷ 637 = 3
Amount collected from selling Brand F notebooks
= 275 u
= 275 x 3
= $825
Answer(s): (a) 178; (b) $825