PSLEA shop sold three brands of files: Brand D, Brand E, and Brand F. The bar graph shows the number of files sold for each brand in one day.
- How many files were sold altogether?
- The shop collected $4224 from selling the files. The prices of Brand D, Brand E, and Brand F files were in the ratio 8 : 3 : 4. How much money was collected from selling Brand E files?
(a)
Number of Brand D files sold = 49
Number of Brand E files sold = 60
Number of Brand F files sold = 33
Total number of files sold
= 49 + 60 + 33
= 142
(b)
|
Brand D |
Brand E |
Brand F |
Number |
49 |
60 |
33 |
Price |
8 u |
3 u |
4 u |
Total value |
392 u |
180 u |
132 u |
Total amount of money collected
= 392 u + 180 u + 132 u
= 704 u
704 u = 4224
1 u = 4224 ÷ 704 = 6
Amount collected from selling Brand E files
= 180 u
= 180 x 6
= $1080
Answer(s): (a) 142; (b) $1080