PSLEA shop sold three brands of pencils: Brand D, Brand E, and Brand F. The bar graph shows the number of pencils sold for each brand in one day.
- How many pencils were sold altogether?
- The shop collected $1983 from selling the pencils. The prices of Brand D, Brand E, and Brand F pencils were in the ratio 8 : 2 : 1. How much money was collected from selling Brand E pencils?
(a)
Number of Brand D pencils sold = 65
Number of Brand E pencils sold = 58
Number of Brand F pencils sold = 25
Total number of pencils sold
= 65 + 58 + 25
= 148
(b)
|
Brand D |
Brand E |
Brand F |
Number |
65 |
58 |
25 |
Price |
8 u |
2 u |
1 u |
Total value |
520 u |
116 u |
25 u |
Total amount of money collected
= 520 u + 116 u + 25 u
= 661 u
661 u = 1983
1 u = 1983 ÷ 661 = 3
Amount collected from selling Brand E pencils
= 116 u
= 116 x 3
= $348
Answer(s): (a) 148; (b) $348