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 $1976 from selling the staplers. The prices of Brand Q, Brand R, and Brand S staplers were in the ratio 5 : 2 : 3. How much money was collected from selling Brand R staplers?
(a)
Number of Brand Q staplers sold = 48
Number of Brand R staplers sold = 64
Number of Brand S staplers sold = 42
Total number of staplers sold
= 48 + 64 + 42
= 154
(b)
|
Brand Q |
Brand R |
Brand S |
Number |
48 |
64 |
42 |
Price |
5 u |
2 u |
3 u |
Total value |
240 u |
128 u |
126 u |
Total amount of money collected
= 240 u + 128 u + 126 u
= 494 u
494 u = 1976
1 u = 1976 ÷ 494 = 4
Amount collected from selling Brand R staplers
= 128 u
= 128 x 4
= $512
Answer(s): (a) 154; (b) $512