Answer:
864fans
Step-by-step explanation:
machines:days:fans
20 : 7 :560
18 : 12 : ??
we start with the days:if the days increase the number of fans being made also increase so the solving ratiowill be an increasing one:12/7 ×560=960.Then we go to the no. of machines.......if the no. of machines decrease then no. of fans being made also decrease so the solving ratio is a decreasing one:18/20 × 960=864
answer:864fans
