PSLEA shop sold three brands of pens: Brand R, Brand S, and Brand T. The bar graph shows the number of pens sold for each brand in one day.
- How many pens were sold altogether?
- The shop collected $4230 from selling the pens. The prices of Brand R, Brand S, and Brand T pens were in the ratio 5 : 7 : 1. How much money was collected from selling Brand S pens?
(a)
Number of Brand R pens sold = 65
Number of Brand S pens sold = 67
Number of Brand T pens sold = 52
Total number of pens sold
= 65 + 67 + 52
= 184
(b)
|
Brand R |
Brand S |
Brand T |
Number |
65 |
67 |
52 |
Price |
5 u |
7 u |
1 u |
Total value |
325 u |
469 u |
52 u |
Total amount of money collected
= 325 u + 469 u + 52 u
= 846 u
846 u = 4230
1 u = 4230 ÷ 846 = 5
Amount collected from selling Brand S pens
= 469 u
= 469 x 5
= $2345
Answer(s): (a) 184; (b) $2345