PSLEA shop sold three brands of notebooks: Brand R, Brand S, and Brand T. The bar graph shows the number of notebooks sold for each brand in one day.
- How many notebooks were sold altogether?
- The shop collected $2262 from selling the notebooks. The prices of Brand R, Brand S, and Brand T notebooks were in the ratio 8 : 5 : 2. How much money was collected from selling Brand S notebooks?
(a)
Number of Brand R notebooks sold = 43
Number of Brand S notebooks sold = 60
Number of Brand T notebooks sold = 55
Total number of notebooks sold
= 43 + 60 + 55
= 158
(b)
|
Brand R |
Brand S |
Brand T |
Number |
43 |
60 |
55 |
Price |
8 u |
5 u |
2 u |
Total value |
344 u |
300 u |
110 u |
Total amount of money collected
= 344 u + 300 u + 110 u
= 754 u
754 u = 2262
1 u = 2262 ÷ 754 = 3
Amount collected from selling Brand S notebooks
= 300 u
= 300 x 3
= $900
Answer(s): (a) 158; (b) $900