PSLEA shop sold three brands of pens: Brand Y, Brand Z, and Brand A. The bar graph shows the number of pens sold for each brand in one day.
- How many pens were sold altogether?
- The shop collected $1788 from selling the pens. The prices of Brand Y, Brand Z, and Brand A pens were in the ratio 3 : 1 : 4. How much money was collected from selling Brand Z pens?
(a)
Number of Brand Y pens sold = 53
Number of Brand Z pens sold = 52
Number of Brand A pens sold = 59
Total number of pens sold
= 53 + 52 + 59
= 164
(b)
|
Brand Y |
Brand Z |
Brand A |
Number |
53 |
52 |
59 |
Price |
3 u |
1 u |
4 u |
Total value |
159 u |
52 u |
236 u |
Total amount of money collected
= 159 u + 52 u + 236 u
= 447 u
447 u = 1788
1 u = 1788 ÷ 447 = 4
Amount collected from selling Brand Z pens
= 52 u
= 52 x 4
= $208
Answer(s): (a) 164; (b) $208