PSLEA shop sold three brands of notebooks: Brand Z, Brand A, and Brand B. The bar graph shows the number of notebooks sold for each brand in one day.
- How many notebooks were sold altogether?
- The shop collected $2268 from selling the notebooks. The prices of Brand Z, Brand A, and Brand B notebooks were in the ratio 6 : 5 : 8. How much money was collected from selling Brand A notebooks?
(a)
Number of Brand Z notebooks sold = 50
Number of Brand A notebooks sold = 56
Number of Brand B notebooks sold = 22
Total number of notebooks sold
= 50 + 56 + 22
= 128
(b)
|
Brand Z |
Brand A |
Brand B |
Number |
50 |
56 |
22 |
Price |
6 u |
5 u |
8 u |
Total value |
300 u |
280 u |
176 u |
Total amount of money collected
= 300 u + 280 u + 176 u
= 756 u
756 u = 2268
1 u = 2268 ÷ 756 = 3
Amount collected from selling Brand A notebooks
= 280 u
= 280 x 3
= $840
Answer(s): (a) 128; (b) $840