Algebra-2

Let the price of each magazine be dollars. Then, the price of each book is dollars.  

Let the number of books be and the number of magazines be .  

Set up the equations:  

1. Total quantity:  

2. Total cost for books:  

3. Total cost for magazines:  

Solve the system:  

Express from equation (1):  

Substitute (4) into equation (3):  

Substitute (5) into equation (2):  

Multiply through by to eliminate the denominator: