PSLEA shop sold three brands of files: Brand P, Brand Q, and Brand R. The bar graph shows the number of files sold for each brand in one day.
- How many files were sold altogether?
- The shop collected $4277 from selling the files. The prices of Brand P, Brand Q, and Brand R files were in the ratio 7 : 1 : 5. How much money was collected from selling Brand Q files?
(a)
Number of Brand P files sold = 65
Number of Brand Q files sold = 56
Number of Brand R files sold = 20
Total number of files sold
= 65 + 56 + 20
= 141
(b)
|
Brand P |
Brand Q |
Brand R |
Number |
65 |
56 |
20 |
Price |
7 u |
1 u |
5 u |
Total value |
455 u |
56 u |
100 u |
Total amount of money collected
= 455 u + 56 u + 100 u
= 611 u
611 u = 4277
1 u = 4277 ÷ 611 = 7
Amount collected from selling Brand Q files
= 56 u
= 56 x 7
= $392
Answer(s): (a) 141; (b) $392