PSLEA shop sold three brands of pens: Brand V, Brand W, and Brand X. The bar graph shows the number of pens sold for each brand in one day.
- How many pens were sold altogether?
- The shop collected $1170 from selling the pens. The prices of Brand V, Brand W, and Brand X pens were in the ratio 1 : 6 : 7. How much money was collected from selling Brand W pens?
(a)
Number of Brand V pens sold = 59
Number of Brand W pens sold = 41
Number of Brand X pens sold = 40
Total number of pens sold
= 59 + 41 + 40
= 140
(b)
|
Brand V |
Brand W |
Brand X |
Number |
59 |
41 |
40 |
Price |
1 u |
6 u |
7 u |
Total value |
59 u |
246 u |
280 u |
Total amount of money collected
= 59 u + 246 u + 280 u
= 585 u
585 u = 1170
1 u = 1170 ÷ 585 = 2
Amount collected from selling Brand W pens
= 246 u
= 246 x 2
= $492
Answer(s): (a) 140; (b) $492