PSLEA shop sold three brands of staplers: Brand B, Brand C, and Brand D. The bar graph shows the number of staplers sold for each brand in one day.
- How many staplers were sold altogether?
- The shop collected $2400 from selling the staplers. The prices of Brand B, Brand C, and Brand D staplers were in the ratio 3 : 4 : 6. How much money was collected from selling Brand C staplers?
(a)
Number of Brand B staplers sold = 66
Number of Brand C staplers sold = 56
Number of Brand D staplers sold = 63
Total number of staplers sold
= 66 + 56 + 63
= 185
(b)
|
Brand B |
Brand C |
Brand D |
Number |
66 |
56 |
63 |
Price |
3 u |
4 u |
6 u |
Total value |
198 u |
224 u |
378 u |
Total amount of money collected
= 198 u + 224 u + 378 u
= 800 u
800 u = 2400
1 u = 2400 ÷ 800 = 3
Amount collected from selling Brand C staplers
= 224 u
= 224 x 3
= $672
Answer(s): (a) 185; (b) $672