PSLEA shop sold three brands of files: Brand B, Brand C, and Brand D. The bar graph shows the number of files sold for each brand in one day.
- How many files were sold altogether?
- The shop collected $5474 from selling the files. The prices of Brand B, Brand C, and Brand D files were in the ratio 5 : 6 : 7. How much money was collected from selling Brand C files?
(a)
Number of Brand B files sold = 51
Number of Brand C files sold = 61
Number of Brand D files sold = 23
Total number of files sold
= 51 + 61 + 23
= 135
(b)
|
Brand B |
Brand C |
Brand D |
Number |
51 |
61 |
23 |
Price |
5 u |
6 u |
7 u |
Total value |
255 u |
366 u |
161 u |
Total amount of money collected
= 255 u + 366 u + 161 u
= 782 u
782 u = 5474
1 u = 5474 ÷ 782 = 7
Amount collected from selling Brand C files
= 366 u
= 366 x 7
= $2562
Answer(s): (a) 135; (b) $2562