PSLEA shop sold three brands of pencils: Brand B, Brand C, and Brand D. The bar graph shows the number of pencils sold for each brand in one day.
- How many pencils were sold altogether?
- The shop collected $1020 from selling the pencils. The prices of Brand B, Brand C, and Brand D pencils were in the ratio 5 : 3 : 4. How much money was collected from selling Brand C pencils?
(a)
Number of Brand B pencils sold = 54
Number of Brand C pencils sold = 48
Number of Brand D pencils sold = 24
Total number of pencils sold
= 54 + 48 + 24
= 126
(b)
|
Brand B |
Brand C |
Brand D |
Number |
54 |
48 |
24 |
Price |
5 u |
3 u |
4 u |
Total value |
270 u |
144 u |
96 u |
Total amount of money collected
= 270 u + 144 u + 96 u
= 510 u
510 u = 1020
1 u = 1020 ÷ 510 = 2
Amount collected from selling Brand C pencils
= 144 u
= 144 x 2
= $288
Answer(s): (a) 126; (b) $288