Question
Roshel bought some Social Science books at $13 each. She also bought an equal number of Malay books at a different price. The average price of one Social Science and one Malay book was $10. Roshel paid $72 less for the Malay books than the Social Science books.
  1. What was the cost of one Malay book?
  2. How many Social Science books did Roshel buy?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Roshel bought some Social Science books at $13 each. She also bought an equal number of Malay books at a different price. The average price of one Social Science and one Malay book was $10. Roshel paid $72 less for the Malay books than the Social Science books.
  1. What was the cost of one Malay book?
  2. How many Social Science books did Roshel buy?