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 $1392 from selling the pencils. The prices of Brand R, Brand S, and Brand T pencils were in the ratio 8 : 2 : 1. How much money was collected from selling Brand S pencils?
(a)
Number of Brand R pencils sold = 38
Number of Brand S pencils sold = 58
Number of Brand T pencils sold = 44
Total number of pencils sold
= 38 + 58 + 44
= 140
(b)
|
Brand R |
Brand S |
Brand T |
Number |
38 |
58 |
44 |
Price |
8 u |
2 u |
1 u |
Total value |
304 u |
116 u |
44 u |
Total amount of money collected
= 304 u + 116 u + 44 u
= 464 u
464 u = 1392
1 u = 1392 ÷ 464 = 3
Amount collected from selling Brand S pencils
= 116 u
= 116 x 3
= $348
Answer(s): (a) 140; (b) $348