PSLEA shop sold three brands of pencils: Brand N, Brand P, and Brand Q. The bar graph shows the number of pencils sold for each brand in one day.
- How many pencils were sold altogether?
- The shop collected $804 from selling the pencils. The prices of Brand N, Brand P, and Brand Q pencils were in the ratio 2 : 1 : 1. How much money was collected from selling Brand P pencils?
(a)
Number of Brand N pencils sold = 55
Number of Brand P pencils sold = 40
Number of Brand Q pencils sold = 51
Total number of pencils sold
= 55 + 40 + 51
= 146
(b)
|
Brand N |
Brand P |
Brand Q |
Number |
55 |
40 |
51 |
Price |
2 u |
1 u |
1 u |
Total value |
110 u |
40 u |
51 u |
Total amount of money collected
= 110 u + 40 u + 51 u
= 201 u
201 u = 804
1 u = 804 ÷ 201 = 4
Amount collected from selling Brand P pencils
= 40 u
= 40 x 4
= $160
Answer(s): (a) 146; (b) $160