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 $738 from selling the pens. The prices of Brand V, Brand W, and Brand X pens were in the ratio 1 : 3 : 2. How much money was collected from selling Brand W pens?
(a)
Number of Brand V pens sold = 47
Number of Brand W pens sold = 43
Number of Brand X pens sold = 35
Total number of pens sold
= 47 + 43 + 35
= 125
(b)
|
Brand V |
Brand W |
Brand X |
Number |
47 |
43 |
35 |
Price |
1 u |
3 u |
2 u |
Total value |
47 u |
129 u |
70 u |
Total amount of money collected
= 47 u + 129 u + 70 u
= 246 u
246 u = 738
1 u = 738 ÷ 246 = 3
Amount collected from selling Brand W pens
= 129 u
= 129 x 3
= $387
Answer(s): (a) 125; (b) $387