Question
Sabrina bought some Japanese books at $12 each. She also bought an equal number of Chemistry books at a different price. The average price of one Japanese and one Chemistry book was $9. Sabrina paid $66 less for the Chemistry books than the Japanese books.
  1. What was the cost of one Chemistry book?
  2. How many Japanese books did Sabrina buy?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Sabrina bought some Japanese books at $12 each. She also bought an equal number of Chemistry books at a different price. The average price of one Japanese and one Chemistry book was $9. Sabrina paid $66 less for the Chemistry books than the Japanese books.
  1. What was the cost of one Chemistry book?
  2. How many Japanese books did Sabrina buy?