PSLEA shop sold three brands of notebooks: Brand K, Brand L, and Brand M. The bar graph shows the number of notebooks sold for each brand in one day.
- How many notebooks were sold altogether?
- The shop collected $1652 from selling the notebooks. The prices of Brand K, Brand L, and Brand M notebooks were in the ratio 8 : 4 : 5. How much money was collected from selling Brand L notebooks?
(a)
Number of Brand K notebooks sold = 48
Number of Brand L notebooks sold = 38
Number of Brand M notebooks sold = 58
Total number of notebooks sold
= 48 + 38 + 58
= 144
(b)
|
Brand K |
Brand L |
Brand M |
Number |
48 |
38 |
58 |
Price |
8 u |
4 u |
5 u |
Total value |
384 u |
152 u |
290 u |
Total amount of money collected
= 384 u + 152 u + 290 u
= 826 u
826 u = 1652
1 u = 1652 ÷ 826 = 2
Amount collected from selling Brand L notebooks
= 152 u
= 152 x 2
= $304
Answer(s): (a) 144; (b) $304