PSLEA shop sold three brands of pencils: Brand C, Brand D, and Brand E. The bar graph shows the number of pencils sold for each brand in one day.
- How many pencils were sold altogether?
- The shop collected $6391 from selling the pencils. The prices of Brand C, Brand D, and Brand E pencils were in the ratio 6 : 5 : 8. How much money was collected from selling Brand D pencils?
(a)
Number of Brand C pencils sold = 62
Number of Brand D pencils sold = 49
Number of Brand E pencils sold = 37
Total number of pencils sold
= 62 + 49 + 37
= 148
(b)
|
Brand C |
Brand D |
Brand E |
Number |
62 |
49 |
37 |
Price |
6 u |
5 u |
8 u |
Total value |
372 u |
245 u |
296 u |
Total amount of money collected
= 372 u + 245 u + 296 u
= 913 u
913 u = 6391
1 u = 6391 ÷ 913 = 7
Amount collected from selling Brand D pencils
= 245 u
= 245 x 7
= $1715
Answer(s): (a) 148; (b) $1715