Pamela bought some English books at $9 each. She also bought an equal number of Japanese books at a different price. The average price of one English and one Japanese book was $7. Pamela paid $32 more for the English books than the Japanese books.
- What was the cost of one Japanese book?
- How many English books did Pamela buy?
|
English |
Japanese |
More |
Number |
1 u |
1 u |
|
Value |
$9 |
$5 |
|
Total value |
9 u |
5 u |
$32 |
(a)
Price of one Japanese book
= 2 x 7 - 9
= 14 - 9
= $5
Amount that Pamela paid more for English books than Japanese books
= 9 u - 5 u
= 4 u
4 u = 32
1 u = 32 ÷ 4 = 8
Number of English books that Pamela bought
= 1 u
= 8
Answer(s): (a) $5; (b) 8