PSLEA shop sold three brands of staplers: Brand H, Brand J, and Brand K. The bar graph shows the number of staplers sold for each brand in one day.
- How many staplers were sold altogether?
- The shop collected $1666 from selling the staplers. The prices of Brand H, Brand J, and Brand K staplers were in the ratio 2 : 1 : 1. How much money was collected from selling Brand J staplers?
(a)
Number of Brand H staplers sold = 67
Number of Brand J staplers sold = 34
Number of Brand K staplers sold = 70
Total number of staplers sold
= 67 + 34 + 70
= 171
(b)
|
Brand H |
Brand J |
Brand K |
Number |
67 |
34 |
70 |
Price |
2 u |
1 u |
1 u |
Total value |
134 u |
34 u |
70 u |
Total amount of money collected
= 134 u + 34 u + 70 u
= 238 u
238 u = 1666
1 u = 1666 ÷ 238 = 7
Amount collected from selling Brand J staplers
= 34 u
= 34 x 7
= $238
Answer(s): (a) 171; (b) $238