PSLEA shop sold three brands of markers: Brand R, Brand S, and Brand T. The bar graph shows the number of markers sold for each brand in one day.
- How many markers were sold altogether?
- The shop collected $3756 from selling the markers. The prices of Brand R, Brand S, and Brand T markers were in the ratio 8 : 3 : 7. How much money was collected from selling Brand S markers?
(a)
Number of Brand R markers sold = 39
Number of Brand S markers sold = 55
Number of Brand T markers sold = 66
Total number of markers sold
= 39 + 55 + 66
= 160
(b)
|
Brand R |
Brand S |
Brand T |
Number |
39 |
55 |
66 |
Price |
8 u |
3 u |
7 u |
Total value |
312 u |
165 u |
462 u |
Total amount of money collected
= 312 u + 165 u + 462 u
= 939 u
939 u = 3756
1 u = 3756 ÷ 939 = 4
Amount collected from selling Brand S markers
= 165 u
= 165 x 4
= $660
Answer(s): (a) 160; (b) $660