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 $1752 from selling the markers. The prices of Brand C, Brand D, and Brand E markers were in the ratio 3 : 5 : 1. How much money was collected from selling Brand D markers?
(a)
Number of Brand C markers sold = 48
Number of Brand D markers sold = 46
Number of Brand E markers sold = 64
Total number of markers sold
= 48 + 46 + 64
= 158
(b)
|
Brand C |
Brand D |
Brand E |
Number |
48 |
46 |
64 |
Price |
3 u |
5 u |
1 u |
Total value |
144 u |
230 u |
64 u |
Total amount of money collected
= 144 u + 230 u + 64 u
= 438 u
438 u = 1752
1 u = 1752 ÷ 438 = 4
Amount collected from selling Brand D markers
= 230 u
= 230 x 4
= $920
Answer(s): (a) 158; (b) $920