you are starting a dog grooming business. you've spent $315 on expenses and you use $4 worth of supplies for each dog. you charge $25 per dog for grooming. how many dogs must you groom to break even
You make a profit of 21 dollars for each dog you groom.
You need to make 315 dollars to breakeven, and \(315 \div 21 = \color{brown}\boxed {15}\)