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 $4420 from selling the markers. The prices of Brand C, Brand D, and Brand E markers were in the ratio 8 : 5 : 6. How much money was collected from selling Brand D markers?
(a)
Number of Brand C markers sold = 30
Number of Brand D markers sold = 64
Number of Brand E markers sold = 54
Total number of markers sold
= 30 + 64 + 54
= 148
(b)
|
Brand C |
Brand D |
Brand E |
Number |
30 |
64 |
54 |
Price |
8 u |
5 u |
6 u |
Total value |
240 u |
320 u |
324 u |
Total amount of money collected
= 240 u + 320 u + 324 u
= 884 u
884 u = 4420
1 u = 4420 ÷ 884 = 5
Amount collected from selling Brand D markers
= 320 u
= 320 x 5
= $1600
Answer(s): (a) 148; (b) $1600