PSLEA shop sold three brands of staplers: Brand Y, Brand Z, and Brand A. The bar graph shows the number of staplers sold for each brand in one day.
- How many staplers were sold altogether?
- The shop collected $1905 from selling the staplers. The prices of Brand Y, Brand Z, and Brand A staplers were in the ratio 1 : 8 : 3. How much money was collected from selling Brand Z staplers?
(a)
Number of Brand Y staplers sold = 39
Number of Brand Z staplers sold = 58
Number of Brand A staplers sold = 44
Total number of staplers sold
= 39 + 58 + 44
= 141
(b)
|
Brand Y |
Brand Z |
Brand A |
Number |
39 |
58 |
44 |
Price |
1 u |
8 u |
3 u |
Total value |
39 u |
464 u |
132 u |
Total amount of money collected
= 39 u + 464 u + 132 u
= 635 u
635 u = 1905
1 u = 1905 ÷ 635 = 3
Amount collected from selling Brand Z staplers
= 464 u
= 464 x 3
= $1392
Answer(s): (a) 141; (b) $1392