40% of a farmer's cattle are males. The rest are females. If a female cow produces 2 gallons of milk a day, how much milk will the farmer get a day if he has 50 male cows?
A step-by-step solution is:
150
The farmer has 125 cows because 50 /.

4 = 125.

The farmer has 75 female cows because 125 x.

6 = 75.

The farmer will get 150 gallons of milk a day because 75 x 2 = 150.

.

Thus, the answer is 150