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 $1280 from selling the staplers. The prices of Brand H, Brand J, and Brand K staplers were in the ratio 1 : 1 : 1. How much money was collected from selling Brand J staplers?
(a)
Number of Brand H staplers sold = 38
Number of Brand J staplers sold = 62
Number of Brand K staplers sold = 60
Total number of staplers sold
= 38 + 62 + 60
= 160
(b)
|
Brand H |
Brand J |
Brand K |
Number |
38 |
62 |
60 |
Price |
1 u |
1 u |
1 u |
Total value |
38 u |
62 u |
60 u |
Total amount of money collected
= 38 u + 62 u + 60 u
= 160 u
160 u = 1280
1 u = 1280 ÷ 160 = 8
Amount collected from selling Brand J staplers
= 62 u
= 62 x 8
= $496
Answer(s): (a) 160; (b) $496