PSLEA shop sold three brands of markers: Brand C, Brand D, and Brand E. The bar graph shows the number of markers sold for each brand in one day.
- How many markers were sold altogether?
- The shop collected $1866 from selling the markers. The prices of Brand C, Brand D, and Brand E markers were in the ratio 4 : 3 : 1. How much money was collected from selling Brand D markers?
(a)
Number of Brand C markers sold = 38
Number of Brand D markers sold = 39
Number of Brand E markers sold = 42
Total number of markers sold
= 38 + 39 + 42
= 119
(b)
|
Brand C |
Brand D |
Brand E |
Number |
38 |
39 |
42 |
Price |
4 u |
3 u |
1 u |
Total value |
152 u |
117 u |
42 u |
Total amount of money collected
= 152 u + 117 u + 42 u
= 311 u
311 u = 1866
1 u = 1866 ÷ 311 = 6
Amount collected from selling Brand D markers
= 117 u
= 117 x 6
= $702
Answer(s): (a) 119; (b) $702