During her shopping trip, Lynn bought three different types of pencils, N, P and Q in the ratio of 6 : 3 : 9. She decided to sell them at the prices listed as shown.
Pencil N : $2.10
Pencil P : $0.70
Pencil Q : $0.50
Given that Lynn bought a total 594 pencils, how much did Lynn collect from the sale of all the pencils?
|
Pencil N |
Pencil P |
Pencil Q |
Total |
Ratio of pencil |
6 u |
3 u |
9 u |
18 u |
Value of each pencil |
$2.10 |
$0.70 |
$0.50 |
|
18 u = 594
1 u = 594 ÷ 18 = 33
Number of Pencil N
= 6 x 33
= 198
Number of Pencil P
= 3 x 33
= 99
Number of Pencil Q
= 9 x 33
= 297
Total revenue
= 198 x 2.10 + 99 x 0.70 + 297 x 0.50
= 415.80 + 69.30 + 148.50
= $633.60
Answer(s): $633.60