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 $1896 from selling the pencils. The prices of Brand R, Brand S, and Brand T pencils were in the ratio 7 : 2 : 1. How much money was collected from selling Brand S pencils?
(a)
Number of Brand R pencils sold = 70
Number of Brand S pencils sold = 44
Number of Brand T pencils sold = 54
Total number of pencils sold
= 70 + 44 + 54
= 168
(b)
|
Brand R |
Brand S |
Brand T |
Number |
70 |
44 |
54 |
Price |
7 u |
2 u |
1 u |
Total value |
490 u |
88 u |
54 u |
Total amount of money collected
= 490 u + 88 u + 54 u
= 632 u
632 u = 1896
1 u = 1896 ÷ 632 = 3
Amount collected from selling Brand S pencils
= 88 u
= 88 x 3
= $264
Answer(s): (a) 168; (b) $264