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 $2320 from selling the pencils. The prices of Brand R, Brand S, and Brand T pencils were in the ratio 6 : 1 : 3. How much money was collected from selling Brand S pencils?
(a)
Number of Brand R pencils sold = 38
Number of Brand S pencils sold = 32
Number of Brand T pencils sold = 68
Total number of pencils sold
= 38 + 32 + 68
= 138
(b)
|
Brand R |
Brand S |
Brand T |
Number |
38 |
32 |
68 |
Price |
6 u |
1 u |
3 u |
Total value |
228 u |
32 u |
204 u |
Total amount of money collected
= 228 u + 32 u + 204 u
= 464 u
464 u = 2320
1 u = 2320 ÷ 464 = 5
Amount collected from selling Brand S pencils
= 32 u
= 32 x 5
= $160
Answer(s): (a) 138; (b) $160