Question
Diana bought some Maths books at $11 each. She also bought an equal number of French books at a different price. The average price of one Maths and one French book was $9. Diana paid $20 more for the Maths books than the French books.
  1. What was the cost of one French book?
  2. How many Maths books did Diana buy?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Diana bought some Maths books at $11 each. She also bought an equal number of French books at a different price. The average price of one Maths and one French book was $9. Diana paid $20 more for the Maths books than the French books.
  1. What was the cost of one French book?
  2. How many Maths books did Diana buy?