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 $5784 from selling the pencils. The prices of Brand Y, Brand Z, and Brand A pencils were in the ratio 8 : 5 : 8. How much money was collected from selling Brand Z pencils?
(a)
Number of Brand Y pencils sold = 40
Number of Brand Z pencils sold = 55
Number of Brand A pencils sold = 16
Total number of pencils sold
= 40 + 55 + 16
= 111
(b)
|
Brand Y |
Brand Z |
Brand A |
Number |
40 |
55 |
16 |
Price |
8 u |
5 u |
8 u |
Total value |
320 u |
275 u |
128 u |
Total amount of money collected
= 320 u + 275 u + 128 u
= 723 u
723 u = 5784
1 u = 5784 ÷ 723 = 8
Amount collected from selling Brand Z pencils
= 275 u
= 275 x 8
= $2200
Answer(s): (a) 111; (b) $2200