PSLEA shop sold three brands of markers: Brand Z, Brand A, and Brand B. The bar graph shows the number of markers sold for each brand in one day.
- How many markers were sold altogether?
- The shop collected $2235 from selling the markers. The prices of Brand Z, Brand A, and Brand B markers were in the ratio 3 : 8 : 4. How much money was collected from selling Brand A markers?
(a)
Number of Brand Z markers sold = 37
Number of Brand A markers sold = 34
Number of Brand B markers sold = 16
Total number of markers sold
= 37 + 34 + 16
= 87
(b)
|
Brand Z |
Brand A |
Brand B |
Number |
37 |
34 |
16 |
Price |
3 u |
8 u |
4 u |
Total value |
111 u |
272 u |
64 u |
Total amount of money collected
= 111 u + 272 u + 64 u
= 447 u
447 u = 2235
1 u = 2235 ÷ 447 = 5
Amount collected from selling Brand A markers
= 272 u
= 272 x 5
= $1360
Answer(s): (a) 87; (b) $1360