Victoria bought some History books at $18 each. She also bought an equal number of English books at a different price. The average price of one History and one English book was $11. Victoria paid $56 more for the History books than the English books.
- What was the cost of one English book?
- How many History books did Victoria buy?
|
History |
English |
More |
Number |
1 u |
1 u |
|
Value |
$18 |
$4 |
|
Total value |
18 u |
4 u |
$56 |
(a)
Price of one English book
= 2 x 11 - 18
= 22 - 18
= $4
Amount that Victoria paid more for History books than English books
= 18 u - 4 u
= 14 u
14 u = 56
1 u = 56 ÷ 14 = 4
Number of History books that Victoria bought
= 1 u
= 4
Answer(s): (a) $4; (b) 4