in one year a farmer runs 30000 sheep on his property. in the next year, because of the drought, the farmer reduces his flock by 37%

the number of sheep he has after the fall in number is:

three ways to do it

30000 - 0.37 * 30000 = ____
30000(1 - 0.37) = ____
30000 * 0.63 = _____