PSLEA shop sold three brands of notebooks: Brand F, Brand G, and Brand H. The bar graph shows the number of notebooks sold for each brand in one day.
- How many notebooks were sold altogether?
- The shop collected $790 from selling the notebooks. The prices of Brand F, Brand G, and Brand H notebooks were in the ratio 1 : 2 : 3. How much money was collected from selling Brand G notebooks?
(a)
Number of Brand F notebooks sold = 57
Number of Brand G notebooks sold = 64
Number of Brand H notebooks sold = 70
Total number of notebooks sold
= 57 + 64 + 70
= 191
(b)
|
Brand F |
Brand G |
Brand H |
Number |
57 |
64 |
70 |
Price |
1 u |
2 u |
3 u |
Total value |
57 u |
128 u |
210 u |
Total amount of money collected
= 57 u + 128 u + 210 u
= 395 u
395 u = 790
1 u = 790 ÷ 395 = 2
Amount collected from selling Brand G notebooks
= 128 u
= 128 x 2
= $256
Answer(s): (a) 191; (b) $256