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 $8309 from selling the notebooks. The prices of Brand V, Brand W, and Brand X notebooks were in the ratio 5 : 7 : 8. How much money was collected from selling Brand W notebooks?
(a)
Number of Brand V notebooks sold = 47
Number of Brand W notebooks sold = 56
Number of Brand X notebooks sold = 70
Total number of notebooks sold
= 47 + 56 + 70
= 173
(b)
|
Brand V |
Brand W |
Brand X |
Number |
47 |
56 |
70 |
Price |
5 u |
7 u |
8 u |
Total value |
235 u |
392 u |
560 u |
Total amount of money collected
= 235 u + 392 u + 560 u
= 1187 u
1187 u = 8309
1 u = 8309 ÷ 1187 = 7
Amount collected from selling Brand W notebooks
= 392 u
= 392 x 7
= $2744
Answer(s): (a) 173; (b) $2744