Raeann bought some French books at $16 each. She also bought an equal number of Geography books at a different price. The average price of one French and one Geography book was $11. Raeann paid $110 more for the French books than the Geography books.
- What was the cost of one Geography book?
- How many French books did Raeann buy?
|
French |
Geography |
More |
Number |
1 u |
1 u |
|
Value |
$16 |
$6 |
|
Total value |
16 u |
6 u |
$110 |
(a)
Price of one Geography book
= 2 x 11 - 16
= 22 - 16
= $6
Amount that Raeann paid more for French books than Geography books
= 16 u - 6 u
= 10 u
10 u = 110
1 u = 110 ÷ 10 = 11
Number of French books that Raeann bought
= 1 u
= 11
Answer(s): (a) $6; (b) 11