PSLEA shop sold three brands of staplers: Brand W, Brand X, and Brand Y. The bar graph shows the number of staplers sold for each brand in one day.
- How many staplers were sold altogether?
- The shop collected $9360 from selling the staplers. The prices of Brand W, Brand X, and Brand Y staplers were in the ratio 4 : 8 : 7. How much money was collected from selling Brand X staplers?
(a)
Number of Brand W staplers sold = 36
Number of Brand X staplers sold = 67
Number of Brand Y staplers sold = 70
Total number of staplers sold
= 36 + 67 + 70
= 173
(b)
|
Brand W |
Brand X |
Brand Y |
Number |
36 |
67 |
70 |
Price |
4 u |
8 u |
7 u |
Total value |
144 u |
536 u |
490 u |
Total amount of money collected
= 144 u + 536 u + 490 u
= 1170 u
1170 u = 9360
1 u = 9360 ÷ 1170 = 8
Amount collected from selling Brand X staplers
= 536 u
= 536 x 8
= $4288
Answer(s): (a) 173; (b) $4288