PSLEA shop sold three brands of notebooks: Brand A, Brand B, and Brand C. The bar graph shows the number of notebooks sold for each brand in one day.
- How many notebooks were sold altogether?
- The shop collected $3348 from selling the notebooks. The prices of Brand A, Brand B, and Brand C notebooks were in the ratio 5 : 8 : 2. How much money was collected from selling Brand B notebooks?
(a)
Number of Brand A notebooks sold = 32
Number of Brand B notebooks sold = 39
Number of Brand C notebooks sold = 43
Total number of notebooks sold
= 32 + 39 + 43
= 114
(b)
|
Brand A |
Brand B |
Brand C |
Number |
32 |
39 |
43 |
Price |
5 u |
8 u |
2 u |
Total value |
160 u |
312 u |
86 u |
Total amount of money collected
= 160 u + 312 u + 86 u
= 558 u
558 u = 3348
1 u = 3348 ÷ 558 = 6
Amount collected from selling Brand B notebooks
= 312 u
= 312 x 6
= $1872
Answer(s): (a) 114; (b) $1872