An investor bought 600 shares of stock, some at $⁢4.50 per share and some at $⁢1.00 per share. If the total cost was $1650.00 , how many shares of each stock did the investor buy?

An investor bought 600 shares of stock, some at $⁢4.50 per share and some at $⁢1.00 per share. If the total cost was $1650.00 , how many shares of each stock did the investor buy?