PSLEA shop sold three brands of pencils: Brand Z, Brand A, and Brand B. The bar graph shows the number of pencils sold for each brand in one day.
- How many pencils were sold altogether?
- The shop collected $3920 from selling the pencils. The prices of Brand Z, Brand A, and Brand B pencils were in the ratio 4 : 4 : 3. How much money was collected from selling Brand A pencils?
(a)
Number of Brand Z pencils sold = 47
Number of Brand A pencils sold = 35
Number of Brand B pencils sold = 54
Total number of pencils sold
= 47 + 35 + 54
= 136
(b)
|
Brand Z |
Brand A |
Brand B |
Number |
47 |
35 |
54 |
Price |
4 u |
4 u |
3 u |
Total value |
188 u |
140 u |
162 u |
Total amount of money collected
= 188 u + 140 u + 162 u
= 490 u
490 u = 3920
1 u = 3920 ÷ 490 = 8
Amount collected from selling Brand A pencils
= 140 u
= 140 x 8
= $1120
Answer(s): (a) 136; (b) $1120