Six machines at a certain factory operate at the same constant rate. If four of these machines, operating simultaneously, take 2
7 hours to fill a certain production order, how many fewer hours does it take all six machines, operating simultaneously, to fill the same production order?A: 9B: 12C: 16D: 18E: 24
Step-by-step explanation: you don't need to use all 4 numbers just used the base which is 8 then times it with 3 which gives you 24 then divided it by 2 which gives you 12.