PSLEA shop sold three brands of markers: Brand X, Brand Y, and Brand Z. The bar graph shows the number of markers sold for each brand in one day.
- How many markers were sold altogether?
- The shop collected $4040 from selling the markers. The prices of Brand X, Brand Y, and Brand Z markers were in the ratio 8 : 4 : 1. How much money was collected from selling Brand Y markers?
(a)
Number of Brand X markers sold = 33
Number of Brand Y markers sold = 45
Number of Brand Z markers sold = 61
Total number of markers sold
= 33 + 45 + 61
= 139
(b)
|
Brand X |
Brand Y |
Brand Z |
Number |
33 |
45 |
61 |
Price |
8 u |
4 u |
1 u |
Total value |
264 u |
180 u |
61 u |
Total amount of money collected
= 264 u + 180 u + 61 u
= 505 u
505 u = 4040
1 u = 4040 ÷ 505 = 8
Amount collected from selling Brand Y markers
= 180 u
= 180 x 8
= $1440
Answer(s): (a) 139; (b) $1440