Kimberly bought some Literature books at $14 each. She also bought an equal number of Japanese books at a different price. The average price of one Literature and one Japanese book was $10. Kimberly paid $80 more for the Literature books than the Japanese books.
- What was the cost of one Japanese book?
- How many Literature books did Kimberly buy?
|
Literature |
Japanese |
More |
Number |
1 u |
1 u |
|
Value |
$14 |
$6 |
|
Total value |
14 u |
6 u |
$80 |
(a)
Price of one Japanese book
= 2 x 10 - 14
= 20 - 14
= $6
Amount that Kimberly paid more for Literature books than Japanese books
= 14 u - 6 u
= 8 u
8 u = 80
1 u = 80 ÷ 8 = 10
Number of Literature books that Kimberly bought
= 1 u
= 10
Answer(s): (a) $6; (b) 10