PSLEA shop sold three brands of staplers: Brand Q, Brand R, and Brand S. The bar graph shows the number of staplers sold for each brand in one day.
- How many staplers were sold altogether?
- The shop collected $2152 from selling the staplers. The prices of Brand Q, Brand R, and Brand S staplers were in the ratio 6 : 1 : 5. How much money was collected from selling Brand R staplers?
(a)
Number of Brand Q staplers sold = 64
Number of Brand R staplers sold = 34
Number of Brand S staplers sold = 24
Total number of staplers sold
= 64 + 34 + 24
= 122
(b)
|
Brand Q |
Brand R |
Brand S |
Number |
64 |
34 |
24 |
Price |
6 u |
1 u |
5 u |
Total value |
384 u |
34 u |
120 u |
Total amount of money collected
= 384 u + 34 u + 120 u
= 538 u
538 u = 2152
1 u = 2152 ÷ 538 = 4
Amount collected from selling Brand R staplers
= 34 u
= 34 x 4
= $136
Answer(s): (a) 122; (b) $136