PSLEA shop sold three brands of pencils: Brand Y, Brand Z, and Brand A. The bar graph shows the number of pencils sold for each brand in one day.
- How many pencils were sold altogether?
- The shop collected $2252 from selling the pencils. The prices of Brand Y, Brand Z, and Brand A pencils were in the ratio 2 : 4 : 7. How much money was collected from selling Brand Z pencils?
(a)
Number of Brand Y pencils sold = 33
Number of Brand Z pencils sold = 49
Number of Brand A pencils sold = 43
Total number of pencils sold
= 33 + 49 + 43
= 125
(b)
|
Brand Y |
Brand Z |
Brand A |
Number |
33 |
49 |
43 |
Price |
2 u |
4 u |
7 u |
Total value |
66 u |
196 u |
301 u |
Total amount of money collected
= 66 u + 196 u + 301 u
= 563 u
563 u = 2252
1 u = 2252 ÷ 563 = 4
Amount collected from selling Brand Z pencils
= 196 u
= 196 x 4
= $784
Answer(s): (a) 125; (b) $784