PSLEA shop sold three brands of notebooks: Brand T, Brand U, and Brand V. The bar graph shows the number of notebooks sold for each brand in one day.
- How many notebooks were sold altogether?
- The shop collected $1056 from selling the notebooks. The prices of Brand T, Brand U, and Brand V notebooks were in the ratio 7 : 1 : 2. How much money was collected from selling Brand U notebooks?
(a)
Number of Brand T notebooks sold = 32
Number of Brand U notebooks sold = 52
Number of Brand V notebooks sold = 38
Total number of notebooks sold
= 32 + 52 + 38
= 122
(b)
|
Brand T |
Brand U |
Brand V |
Number |
32 |
52 |
38 |
Price |
7 u |
1 u |
2 u |
Total value |
224 u |
52 u |
76 u |
Total amount of money collected
= 224 u + 52 u + 76 u
= 352 u
352 u = 1056
1 u = 1056 ÷ 352 = 3
Amount collected from selling Brand U notebooks
= 52 u
= 52 x 3
= $156
Answer(s): (a) 122; (b) $156