PSLEA shop sold three brands of staplers: Brand X, Brand Y, and Brand Z. The bar graph shows the number of staplers sold for each brand in one day.
- How many staplers were sold altogether?
- The shop collected $2114 from selling the staplers. The prices of Brand X, Brand Y, and Brand Z staplers were in the ratio 3 : 1 : 4. How much money was collected from selling Brand Y staplers?
(a)
Number of Brand X staplers sold = 52
Number of Brand Y staplers sold = 54
Number of Brand Z staplers sold = 23
Total number of staplers sold
= 52 + 54 + 23
= 129
(b)
|
Brand X |
Brand Y |
Brand Z |
Number |
52 |
54 |
23 |
Price |
3 u |
1 u |
4 u |
Total value |
156 u |
54 u |
92 u |
Total amount of money collected
= 156 u + 54 u + 92 u
= 302 u
302 u = 2114
1 u = 2114 ÷ 302 = 7
Amount collected from selling Brand Y staplers
= 54 u
= 54 x 7
= $378
Answer(s): (a) 129; (b) $378