PSLEA shop sold three brands of pencils: Brand A, Brand B, and Brand C. The bar graph shows the number of pencils sold for each brand in one day.
- How many pencils were sold altogether?
- The shop collected $2920 from selling the pencils. The prices of Brand A, Brand B, and Brand C pencils were in the ratio 3 : 2 : 3. How much money was collected from selling Brand B pencils?
(a)
Number of Brand A pencils sold = 31
Number of Brand B pencils sold = 46
Number of Brand C pencils sold = 60
Total number of pencils sold
= 31 + 46 + 60
= 137
(b)
|
Brand A |
Brand B |
Brand C |
Number |
31 |
46 |
60 |
Price |
3 u |
2 u |
3 u |
Total value |
93 u |
92 u |
180 u |
Total amount of money collected
= 93 u + 92 u + 180 u
= 365 u
365 u = 2920
1 u = 2920 ÷ 365 = 8
Amount collected from selling Brand B pencils
= 92 u
= 92 x 8
= $736
Answer(s): (a) 137; (b) $736