A certain animal shelter has 28 cats and 46 dogs. How many dogs must be adopted and taken away from the animal shelter so that 70 percent of the animals in the shelter will be cats? Pick one:
A) 6
B) 12
C) 28
D) 34
E) 40
(28 + 46 - x)*0.7 = 28   x = 34.   Answer: 34.
<result>D</result>
A certain animal shelter has 28 cats and 46 dogs. How many dogs must be adopted and taken away from the animal shelter so that 70 percent of the animals in the shelter will be cats?