PSLEA shop sold three brands of notebooks: Brand V, Brand W, and Brand X. The bar graph shows the number of notebooks sold for each brand in one day.
- How many notebooks were sold altogether?
- The shop collected $5816 from selling the notebooks. The prices of Brand V, Brand W, and Brand X notebooks were in the ratio 1 : 4 : 8. How much money was collected from selling Brand W notebooks?
(a)
Number of Brand V notebooks sold = 63
Number of Brand W notebooks sold = 52
Number of Brand X notebooks sold = 57
Total number of notebooks sold
= 63 + 52 + 57
= 172
(b)
|
Brand V |
Brand W |
Brand X |
Number |
63 |
52 |
57 |
Price |
1 u |
4 u |
8 u |
Total value |
63 u |
208 u |
456 u |
Total amount of money collected
= 63 u + 208 u + 456 u
= 727 u
727 u = 5816
1 u = 5816 ÷ 727 = 8
Amount collected from selling Brand W notebooks
= 208 u
= 208 x 8
= $1664
Answer(s): (a) 172; (b) $1664