Question

My last 2 questions so I felt generous. (Answer them for brainiest)

Answer 1

Answer:

Step-by-step explanation:

19. 18-4.62=13.38 to spend on the systems or 6.69 a piece

20. 45000+300m=60000

m=50

45000+300m>60000  

He needs at least 50 machines to make the 60000.