Answer:there are 18 black cows
Step-by-step explanation:
ratio of black cows to brown cows=
3:5
Total number of cows=48
Sum of ratio=3+5=8
Number of black cows=3/8 x 48/1
Number of black cows=(3x48)➗8
Number of black cows=144 ➗ 8
Number of black cows=18
