During her shopping trip, Jade bought three different types of pencils, F, G and H in the ratio of 6 : 3 : 7. She decided to sell them at the prices listed as shown.
Pencil F : $1.90
Pencil G : $0.80
Pencil H : $0.40
Given that Jade bought a total 432 pencils, how much did Jade collect from the sale of all the pencils?
|
Pencil F |
Pencil G |
Pencil H |
Total |
Ratio of pencil |
6 u |
3 u |
7 u |
16 u |
Value of each pencil |
$1.90 |
$0.80 |
$0.40 |
|
16 u = 432
1 u = 432 ÷ 16 = 27
Number of Pencil F
= 6 x 27
= 162
Number of Pencil G
= 3 x 27
= 81
Number of Pencil H
= 7 x 27
= 189
Total revenue
= 162 x 1.90 + 81 x 0.80 + 189 x 0.40
= 307.80 + 64.80 + 75.60
= $448.20
Answer(s): $448.20