PSLEA shop sold three brands of markers: Brand K, Brand L, and Brand M. The bar graph shows the number of markers sold for each brand in one day.
- How many markers were sold altogether?
- The shop collected $1920 from selling the markers. The prices of Brand K, Brand L, and Brand M markers were in the ratio 4 : 1 : 3. How much money was collected from selling Brand L markers?
(a)
Number of Brand K markers sold = 60
Number of Brand L markers sold = 39
Number of Brand M markers sold = 67
Total number of markers sold
= 60 + 39 + 67
= 166
(b)
|
Brand K |
Brand L |
Brand M |
Number |
60 |
39 |
67 |
Price |
4 u |
1 u |
3 u |
Total value |
240 u |
39 u |
201 u |
Total amount of money collected
= 240 u + 39 u + 201 u
= 480 u
480 u = 1920
1 u = 1920 ÷ 480 = 4
Amount collected from selling Brand L markers
= 39 u
= 39 x 4
= $156
Answer(s): (a) 166; (b) $156