human
A machine fills 150 cans of paint every 8 minutes. How many minutes does it take this machine to fill 675 cans?
assistant
How many groups of 150 cans are there in 675 cans? ** To know how many groups of 150 cans there are in 675 cans, we calculate 675 ÷ 150 = <<675/150=4.5>>4.5.
How many minutes does it take to fill each group? ** For each of these groups, 8 minutes are needed, so it takes 8 × 4.5 = <<8*4.5=36>>36 minutes.
#### 36