Question
Anna bought some Maths books at $15 each. She also bought an equal number of Chemistry books at a different price. The average price of one Maths and one Chemistry book was $12. Anna paid $24 more for the Maths books than the Chemistry books.
  1. What was the cost of one Chemistry book?
  2. How many Maths books did Anna buy?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Anna bought some Maths books at $15 each. She also bought an equal number of Chemistry books at a different price. The average price of one Maths and one Chemistry book was $12. Anna paid $24 more for the Maths books than the Chemistry books.
  1. What was the cost of one Chemistry book?
  2. How many Maths books did Anna buy?