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 $1544 from selling the notebooks. The prices of Brand F, Brand G, and Brand H notebooks were in the ratio 1 : 8 : 3. How much money was collected from selling Brand G notebooks?
(a)
Number of Brand F notebooks sold = 37
Number of Brand G notebooks sold = 38
Number of Brand H notebooks sold = 15
Total number of notebooks sold
= 37 + 38 + 15
= 90
(b)
|
Brand F |
Brand G |
Brand H |
Number |
37 |
38 |
15 |
Price |
1 u |
8 u |
3 u |
Total value |
37 u |
304 u |
45 u |
Total amount of money collected
= 37 u + 304 u + 45 u
= 386 u
386 u = 1544
1 u = 1544 ÷ 386 = 4
Amount collected from selling Brand G notebooks
= 304 u
= 304 x 4
= $1216
Answer(s): (a) 90; (b) $1216