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 $2310 from selling the staplers. The prices of Brand Q, Brand R, and Brand S staplers were in the ratio 8 : 7 : 6. How much money was collected from selling Brand R staplers?
(a)
Number of Brand Q staplers sold = 63
Number of Brand R staplers sold = 69
Number of Brand S staplers sold = 28
Total number of staplers sold
= 63 + 69 + 28
= 160
(b)
|
Brand Q |
Brand R |
Brand S |
Number |
63 |
69 |
28 |
Price |
8 u |
7 u |
6 u |
Total value |
504 u |
483 u |
168 u |
Total amount of money collected
= 504 u + 483 u + 168 u
= 1155 u
1155 u = 2310
1 u = 2310 ÷ 1155 = 2
Amount collected from selling Brand R staplers
= 483 u
= 483 x 2
= $966
Answer(s): (a) 160; (b) $966