PSLEA shop sold three brands of notebooks: Brand J, Brand K, and Brand L. The bar graph shows the number of notebooks sold for each brand in one day.
- How many notebooks were sold altogether?
- The shop collected $5280 from selling the notebooks. The prices of Brand J, Brand K, and Brand L notebooks were in the ratio 8 : 1 : 6. How much money was collected from selling Brand K notebooks?
(a)
Number of Brand J notebooks sold = 61
Number of Brand K notebooks sold = 62
Number of Brand L notebooks sold = 55
Total number of notebooks sold
= 61 + 62 + 55
= 178
(b)
|
Brand J |
Brand K |
Brand L |
Number |
61 |
62 |
55 |
Price |
8 u |
1 u |
6 u |
Total value |
488 u |
62 u |
330 u |
Total amount of money collected
= 488 u + 62 u + 330 u
= 880 u
880 u = 5280
1 u = 5280 ÷ 880 = 6
Amount collected from selling Brand K notebooks
= 62 u
= 62 x 6
= $372
Answer(s): (a) 178; (b) $372