PSLEA shop sold three brands of files: Brand R, Brand S, and Brand T. The bar graph shows the number of files sold for each brand in one day.
- How many files were sold altogether?
- The shop collected $2128 from selling the files. The prices of Brand R, Brand S, and Brand T files were in the ratio 7 : 8 : 6. How much money was collected from selling Brand S files?
(a)
Number of Brand R files sold = 66
Number of Brand S files sold = 40
Number of Brand T files sold = 47
Total number of files sold
= 66 + 40 + 47
= 153
(b)
|
Brand R |
Brand S |
Brand T |
Number |
66 |
40 |
47 |
Price |
7 u |
8 u |
6 u |
Total value |
462 u |
320 u |
282 u |
Total amount of money collected
= 462 u + 320 u + 282 u
= 1064 u
1064 u = 2128
1 u = 2128 ÷ 1064 = 2
Amount collected from selling Brand S files
= 320 u
= 320 x 2
= $640
Answer(s): (a) 153; (b) $640