PSLEA shop sold three brands of markers: Brand H, Brand J, and Brand K. The bar graph shows the number of markers sold for each brand in one day.
- How many markers were sold altogether?
- The shop collected $4081 from selling the markers. The prices of Brand H, Brand J, and Brand K markers were in the ratio 3 : 2 : 7. How much money was collected from selling Brand J markers?
(a)
Number of Brand H markers sold = 49
Number of Brand J markers sold = 36
Number of Brand K markers sold = 52
Total number of markers sold
= 49 + 36 + 52
= 137
(b)
|
Brand H |
Brand J |
Brand K |
Number |
49 |
36 |
52 |
Price |
3 u |
2 u |
7 u |
Total value |
147 u |
72 u |
364 u |
Total amount of money collected
= 147 u + 72 u + 364 u
= 583 u
583 u = 4081
1 u = 4081 ÷ 583 = 7
Amount collected from selling Brand J markers
= 72 u
= 72 x 7
= $504
Answer(s): (a) 137; (b) $504