PSLEA shop sold three brands of files: Brand H, Brand J, and Brand K. The bar graph shows the number of files sold for each brand in one day.
- How many files were sold altogether?
- The shop collected $418 from selling the files. The prices of Brand H, Brand J, and Brand K files were in the ratio 2 : 1 : 3. How much money was collected from selling Brand J files?
(a)
Number of Brand H files sold = 41
Number of Brand J files sold = 34
Number of Brand K files sold = 31
Total number of files sold
= 41 + 34 + 31
= 106
(b)
|
Brand H |
Brand J |
Brand K |
Number |
41 |
34 |
31 |
Price |
2 u |
1 u |
3 u |
Total value |
82 u |
34 u |
93 u |
Total amount of money collected
= 82 u + 34 u + 93 u
= 209 u
209 u = 418
1 u = 418 ÷ 209 = 2
Amount collected from selling Brand J files
= 34 u
= 34 x 2
= $68
Answer(s): (a) 106; (b) $68