PSLEA shop sold three brands of pencils: Brand R, Brand S, and Brand T. The bar graph shows the number of pencils sold for each brand in one day.
- How many pencils were sold altogether?
- The shop collected $2709 from selling the pencils. The prices of Brand R, Brand S, and Brand T pencils were in the ratio 1 : 5 : 2. How much money was collected from selling Brand S pencils?
(a)
Number of Brand R pencils sold = 33
Number of Brand S pencils sold = 52
Number of Brand T pencils sold = 47
Total number of pencils sold
= 33 + 52 + 47
= 132
(b)
|
Brand R |
Brand S |
Brand T |
Number |
33 |
52 |
47 |
Price |
1 u |
5 u |
2 u |
Total value |
33 u |
260 u |
94 u |
Total amount of money collected
= 33 u + 260 u + 94 u
= 387 u
387 u = 2709
1 u = 2709 ÷ 387 = 7
Amount collected from selling Brand S pencils
= 260 u
= 260 x 7
= $1820
Answer(s): (a) 132; (b) $1820