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 $6480 from selling the markers. The prices of Brand Z, Brand A, and Brand B markers were in the ratio 7 : 6 : 8. How much money was collected from selling Brand A markers?
(a)
Number of Brand Z markers sold = 42
Number of Brand A markers sold = 30
Number of Brand B markers sold = 42
Total number of markers sold
= 42 + 30 + 42
= 114
(b)
|
Brand Z |
Brand A |
Brand B |
Number |
42 |
30 |
42 |
Price |
7 u |
6 u |
8 u |
Total value |
294 u |
180 u |
336 u |
Total amount of money collected
= 294 u + 180 u + 336 u
= 810 u
810 u = 6480
1 u = 6480 ÷ 810 = 8
Amount collected from selling Brand A markers
= 180 u
= 180 x 8
= $1440
Answer(s): (a) 114; (b) $1440