PSLEA shop sold three brands of notebooks: Brand P, Brand Q, and Brand R. The bar graph shows the number of notebooks sold for each brand in one day.
- How many notebooks were sold altogether?
- The shop collected $2110 from selling the notebooks. The prices of Brand P, Brand Q, and Brand R notebooks were in the ratio 1 : 2 : 5. How much money was collected from selling Brand Q notebooks?
(a)
Number of Brand P notebooks sold = 58
Number of Brand Q notebooks sold = 62
Number of Brand R notebooks sold = 48
Total number of notebooks sold
= 58 + 62 + 48
= 168
(b)
|
Brand P |
Brand Q |
Brand R |
Number |
58 |
62 |
48 |
Price |
1 u |
2 u |
5 u |
Total value |
58 u |
124 u |
240 u |
Total amount of money collected
= 58 u + 124 u + 240 u
= 422 u
422 u = 2110
1 u = 2110 ÷ 422 = 5
Amount collected from selling Brand Q notebooks
= 124 u
= 124 x 5
= $620
Answer(s): (a) 168; (b) $620