PSLEA shop sold three brands of markers: Brand J, Brand K, and Brand L. The bar graph shows the number of markers sold for each brand in one day.
- How many markers were sold altogether?
- The shop collected $1836 from selling the markers. The prices of Brand J, Brand K, and Brand L markers were in the ratio 7 : 3 : 2. How much money was collected from selling Brand K markers?
(a)
Number of Brand J markers sold = 37
Number of Brand K markers sold = 42
Number of Brand L markers sold = 37
Total number of markers sold
= 37 + 42 + 37
= 116
(b)
|
Brand J |
Brand K |
Brand L |
Number |
37 |
42 |
37 |
Price |
7 u |
3 u |
2 u |
Total value |
259 u |
126 u |
74 u |
Total amount of money collected
= 259 u + 126 u + 74 u
= 459 u
459 u = 1836
1 u = 1836 ÷ 459 = 4
Amount collected from selling Brand K markers
= 126 u
= 126 x 4
= $504
Answer(s): (a) 116; (b) $504