PSLEA shop sold three brands of staplers: Brand M, Brand N, and Brand P. The bar graph shows the number of staplers sold for each brand in one day.
- How many staplers were sold altogether?
- The shop collected $1470 from selling the staplers. The prices of Brand M, Brand N, and Brand P staplers were in the ratio 3 : 1 : 1. How much money was collected from selling Brand N staplers?
(a)
Number of Brand M staplers sold = 54
Number of Brand N staplers sold = 68
Number of Brand P staplers sold = 64
Total number of staplers sold
= 54 + 68 + 64
= 186
(b)
|
Brand M |
Brand N |
Brand P |
Number |
54 |
68 |
64 |
Price |
3 u |
1 u |
1 u |
Total value |
162 u |
68 u |
64 u |
Total amount of money collected
= 162 u + 68 u + 64 u
= 294 u
294 u = 1470
1 u = 1470 ÷ 294 = 5
Amount collected from selling Brand N staplers
= 68 u
= 68 x 5
= $340
Answer(s): (a) 186; (b) $340