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 $2000 from selling the notebooks. The prices of Brand E, Brand F, and Brand G notebooks were in the ratio 1 : 7 : 2. How much money was collected from selling Brand F notebooks?
(a)
Number of Brand E notebooks sold = 63
Number of Brand F notebooks sold = 53
Number of Brand G notebooks sold = 33
Total number of notebooks sold
= 63 + 53 + 33
= 149
(b)
|
Brand E |
Brand F |
Brand G |
Number |
63 |
53 |
33 |
Price |
1 u |
7 u |
2 u |
Total value |
63 u |
371 u |
66 u |
Total amount of money collected
= 63 u + 371 u + 66 u
= 500 u
500 u = 2000
1 u = 2000 ÷ 500 = 4
Amount collected from selling Brand F notebooks
= 371 u
= 371 x 4
= $1484
Answer(s): (a) 149; (b) $1484