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 $2290 from selling the pencils. The prices of Brand B, Brand C, and Brand D pencils were in the ratio 1 : 3 : 8. How much money was collected from selling Brand C pencils?
(a)
Number of Brand B pencils sold = 61
Number of Brand C pencils sold = 47
Number of Brand D pencils sold = 32
Total number of pencils sold
= 61 + 47 + 32
= 140
(b)
|
Brand B |
Brand C |
Brand D |
Number |
61 |
47 |
32 |
Price |
1 u |
3 u |
8 u |
Total value |
61 u |
141 u |
256 u |
Total amount of money collected
= 61 u + 141 u + 256 u
= 458 u
458 u = 2290
1 u = 2290 ÷ 458 = 5
Amount collected from selling Brand C pencils
= 141 u
= 141 x 5
= $705
Answer(s): (a) 140; (b) $705