PSLEA shop sold three brands of pencils: Brand K, Brand L, and Brand M. The bar graph shows the number of pencils sold for each brand in one day.
- How many pencils were sold altogether?
- The shop collected $2955 from selling the pencils. The prices of Brand K, Brand L, and Brand M pencils were in the ratio 4 : 8 : 5. How much money was collected from selling Brand L pencils?
(a)
Number of Brand K pencils sold = 49
Number of Brand L pencils sold = 30
Number of Brand M pencils sold = 31
Total number of pencils sold
= 49 + 30 + 31
= 110
(b)
|
Brand K |
Brand L |
Brand M |
Number |
49 |
30 |
31 |
Price |
4 u |
8 u |
5 u |
Total value |
196 u |
240 u |
155 u |
Total amount of money collected
= 196 u + 240 u + 155 u
= 591 u
591 u = 2955
1 u = 2955 ÷ 591 = 5
Amount collected from selling Brand L pencils
= 240 u
= 240 x 5
= $1200
Answer(s): (a) 110; (b) $1200