B. 9/19
Step-by-step explanation:
there was 20 dogs in total he took 1 black dog now 19 in total, now 9 black dogs and 10 brown dogs so one less probability of black dogs so 9 black dogs and 10 brown dogs so 9/19
Answer:
20ft
Use ratios:
Solve for x
x = 20
Answer: 4m - 6
x= -2