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 $2452 from selling the notebooks. The prices of Brand E, Brand F, and Brand G notebooks were in the ratio 6 : 1 : 4. How much money was collected from selling Brand F notebooks?
(a)
Number of Brand E notebooks sold = 69
Number of Brand F notebooks sold = 43
Number of Brand G notebooks sold = 39
Total number of notebooks sold
= 69 + 43 + 39
= 151
(b)
|
Brand E |
Brand F |
Brand G |
Number |
69 |
43 |
39 |
Price |
6 u |
1 u |
4 u |
Total value |
414 u |
43 u |
156 u |
Total amount of money collected
= 414 u + 43 u + 156 u
= 613 u
613 u = 2452
1 u = 2452 ÷ 613 = 4
Amount collected from selling Brand F notebooks
= 43 u
= 43 x 4
= $172
Answer(s): (a) 151; (b) $172