Yen bought some Literature books at $14 each. She also bought an equal number of Geography books at a different price. The average price of one Literature and one Geography book was $11. Yen paid $18 more for the Literature books than the Geography books.
- What was the cost of one Geography book?
- How many Literature books did Yen buy?
|
Literature |
Geography |
More |
Number |
1 u |
1 u |
|
Value |
$14 |
$8 |
|
Total value |
14 u |
8 u |
$18 |
(a)
Price of one Geography book
= 2 x 11 - 14
= 22 - 14
= $8
Amount that Yen paid more for Literature books than Geography books
= 14 u - 8 u
= 6 u
6 u = 18
1 u = 18 ÷ 6 = 3
Number of Literature books that Yen bought
= 1 u
= 3
Answer(s): (a) $8; (b) 3