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 $2352 from selling the pens. The prices of Brand Y, Brand Z, and Brand A pens were in the ratio 3 : 5 : 2. How much money was collected from selling Brand Z pens?
(a)
Number of Brand Y pens sold = 62
Number of Brand Z pens sold = 62
Number of Brand A pens sold = 46
Total number of pens sold
= 62 + 62 + 46
= 170
(b)
|
Brand Y |
Brand Z |
Brand A |
Number |
62 |
62 |
46 |
Price |
3 u |
5 u |
2 u |
Total value |
186 u |
310 u |
92 u |
Total amount of money collected
= 186 u + 310 u + 92 u
= 588 u
588 u = 2352
1 u = 2352 ÷ 588 = 4
Amount collected from selling Brand Z pens
= 310 u
= 310 x 4
= $1240
Answer(s): (a) 170; (b) $1240