Charlie, an artist, plans to paint and sell some miniature paintings. He just bought some brushes for $44, and paint and canvas for each painting cost $69; he will sell each painting for $71. Once Charlie sells a certain number of his paintings, he will be breaking even. How much will Charlie have earned? How many paintings will that be?
Vincent, an artist, plans to paint and sell some miniature paintings. He just bought some brushes for $50, and paint and canvas for each painting costs $5; he will sell each painting for $10. Once Vincent sells a certain number of his paintings, he will be breaking even. How many paintings will that be?
