PSLEA shop sold three brands of files: Brand X, Brand Y, and Brand Z. The bar graph shows the number of files sold for each brand in one day.
- How many files were sold altogether?
- The shop collected $580 from selling the files. The prices of Brand X, Brand Y, and Brand Z files were in the ratio 2 : 1 : 3. How much money was collected from selling Brand Y files?
(a)
Number of Brand X files sold = 41
Number of Brand Y files sold = 46
Number of Brand Z files sold = 54
Total number of files sold
= 41 + 46 + 54
= 141
(b)
|
Brand X |
Brand Y |
Brand Z |
Number |
41 |
46 |
54 |
Price |
2 u |
1 u |
3 u |
Total value |
82 u |
46 u |
162 u |
Total amount of money collected
= 82 u + 46 u + 162 u
= 290 u
290 u = 580
1 u = 580 ÷ 290 = 2
Amount collected from selling Brand Y files
= 46 u
= 46 x 2
= $92
Answer(s): (a) 141; (b) $92