PSLEA shop sold three brands of notebooks: Brand G, Brand H, and Brand J. The bar graph shows the number of notebooks sold for each brand in one day.
- How many notebooks were sold altogether?
- The shop collected $3688 from selling the notebooks. The prices of Brand G, Brand H, and Brand J notebooks were in the ratio 7 : 5 : 8. How much money was collected from selling Brand H notebooks?
(a)
Number of Brand G notebooks sold = 57
Number of Brand H notebooks sold = 39
Number of Brand J notebooks sold = 41
Total number of notebooks sold
= 57 + 39 + 41
= 137
(b)
|
Brand G |
Brand H |
Brand J |
Number |
57 |
39 |
41 |
Price |
7 u |
5 u |
8 u |
Total value |
399 u |
195 u |
328 u |
Total amount of money collected
= 399 u + 195 u + 328 u
= 922 u
922 u = 3688
1 u = 3688 ÷ 922 = 4
Amount collected from selling Brand H notebooks
= 195 u
= 195 x 4
= $780
Answer(s): (a) 137; (b) $780