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 $1974 from selling the staplers. The prices of Brand W, Brand X, and Brand Y staplers were in the ratio 3 : 7 : 6. How much money was collected from selling Brand X staplers?
(a)
Number of Brand W staplers sold = 53
Number of Brand X staplers sold = 66
Number of Brand Y staplers sold = 61
Total number of staplers sold
= 53 + 66 + 61
= 180
(b)
|
Brand W |
Brand X |
Brand Y |
Number |
53 |
66 |
61 |
Price |
3 u |
7 u |
6 u |
Total value |
159 u |
462 u |
366 u |
Total amount of money collected
= 159 u + 462 u + 366 u
= 987 u
987 u = 1974
1 u = 1974 ÷ 987 = 2
Amount collected from selling Brand X staplers
= 462 u
= 462 x 2
= $924
Answer(s): (a) 180; (b) $924