PSLEA shop sold three brands of files: Brand V, Brand W, and Brand X. The bar graph shows the number of files sold for each brand in one day.
- How many files were sold altogether?
- The shop collected $1270 from selling the files. The prices of Brand V, Brand W, and Brand X files were in the ratio 3 : 8 : 1. How much money was collected from selling Brand W files?
(a)
Number of Brand V files sold = 30
Number of Brand W files sold = 66
Number of Brand X files sold = 17
Total number of files sold
= 30 + 66 + 17
= 113
(b)
|
Brand V |
Brand W |
Brand X |
Number |
30 |
66 |
17 |
Price |
3 u |
8 u |
1 u |
Total value |
90 u |
528 u |
17 u |
Total amount of money collected
= 90 u + 528 u + 17 u
= 635 u
635 u = 1270
1 u = 1270 ÷ 635 = 2
Amount collected from selling Brand W files
= 528 u
= 528 x 2
= $1056
Answer(s): (a) 113; (b) $1056