PSLEA shop sold three brands of pens: Brand M, Brand N, and Brand P. The bar graph shows the number of pens sold for each brand in one day.
- How many pens were sold altogether?
- The shop collected $3765 from selling the pens. The prices of Brand M, Brand N, and Brand P pens were in the ratio 3 : 5 : 7. How much money was collected from selling Brand N pens?
(a)
Number of Brand M pens sold = 43
Number of Brand N pens sold = 38
Number of Brand P pens sold = 62
Total number of pens sold
= 43 + 38 + 62
= 143
(b)
|
Brand M |
Brand N |
Brand P |
Number |
43 |
38 |
62 |
Price |
3 u |
5 u |
7 u |
Total value |
129 u |
190 u |
434 u |
Total amount of money collected
= 129 u + 190 u + 434 u
= 753 u
753 u = 3765
1 u = 3765 ÷ 753 = 5
Amount collected from selling Brand N pens
= 190 u
= 190 x 5
= $950
Answer(s): (a) 143; (b) $950