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 $1446 from selling the files. The prices of Brand V, Brand W, and Brand X files were in the ratio 3 : 5 : 7. How much money was collected from selling Brand W files?
(a)
Number of Brand V files sold = 31
Number of Brand W files sold = 47
Number of Brand X files sold = 22
Total number of files sold
= 31 + 47 + 22
= 100
(b)
|
Brand V |
Brand W |
Brand X |
Number |
31 |
47 |
22 |
Price |
3 u |
5 u |
7 u |
Total value |
93 u |
235 u |
154 u |
Total amount of money collected
= 93 u + 235 u + 154 u
= 482 u
482 u = 1446
1 u = 1446 ÷ 482 = 3
Amount collected from selling Brand W files
= 235 u
= 235 x 3
= $705
Answer(s): (a) 100; (b) $705