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 $1992 from selling the markers. The prices of Brand C, Brand D, and Brand E markers were in the ratio 1 : 6 : 4. How much money was collected from selling Brand D markers?
(a)
Number of Brand C markers sold = 48
Number of Brand D markers sold = 32
Number of Brand E markers sold = 23
Total number of markers sold
= 48 + 32 + 23
= 103
(b)
|
Brand C |
Brand D |
Brand E |
Number |
48 |
32 |
23 |
Price |
1 u |
6 u |
4 u |
Total value |
48 u |
192 u |
92 u |
Total amount of money collected
= 48 u + 192 u + 92 u
= 332 u
332 u = 1992
1 u = 1992 ÷ 332 = 6
Amount collected from selling Brand D markers
= 192 u
= 192 x 6
= $1152
Answer(s): (a) 103; (b) $1152