PSLEA shop sold three brands of pencils: Brand S, Brand T, and Brand U. The bar graph shows the number of pencils sold for each brand in one day.
- How many pencils were sold altogether?
- The shop collected $3213 from selling the pencils. The prices of Brand S, Brand T, and Brand U pencils were in the ratio 2 : 5 : 3. How much money was collected from selling Brand T pencils?
(a)
Number of Brand S pencils sold = 45
Number of Brand T pencils sold = 54
Number of Brand U pencils sold = 33
Total number of pencils sold
= 45 + 54 + 33
= 132
(b)
|
Brand S |
Brand T |
Brand U |
Number |
45 |
54 |
33 |
Price |
2 u |
5 u |
3 u |
Total value |
90 u |
270 u |
99 u |
Total amount of money collected
= 90 u + 270 u + 99 u
= 459 u
459 u = 3213
1 u = 3213 ÷ 459 = 7
Amount collected from selling Brand T pencils
= 270 u
= 270 x 7
= $1890
Answer(s): (a) 132; (b) $1890