Question

John is starting a roofing business. He will need to buy a truck and some supplies to get the business going, the truck cost $13,000 used. The material for each job he completes cost $1000. If he spent 27,000 how much jobs did he complete?

Answer 1

John will only need to buy the truck once, so that is $13,000. 
27,000-13,000=14,000 
If each project costs 1,000, he can complete 14 jobs.