PSLEA shop sold three brands of pens: Brand Q, Brand R, and Brand S. The bar graph shows the number of pens sold for each brand in one day.
- How many pens were sold altogether?
- The shop collected $5306 from selling the pens. The prices of Brand Q, Brand R, and Brand S pens were in the ratio 8 : 5 : 2. How much money was collected from selling Brand R pens?
(a)
Number of Brand Q pens sold = 58
Number of Brand R pens sold = 38
Number of Brand S pens sold = 52
Total number of pens sold
= 58 + 38 + 52
= 148
(b)
|
Brand Q |
Brand R |
Brand S |
Number |
58 |
38 |
52 |
Price |
8 u |
5 u |
2 u |
Total value |
464 u |
190 u |
104 u |
Total amount of money collected
= 464 u + 190 u + 104 u
= 758 u
758 u = 5306
1 u = 5306 ÷ 758 = 7
Amount collected from selling Brand R pens
= 190 u
= 190 x 7
= $1330
Answer(s): (a) 148; (b) $1330