Question

Of the 200 students surveyed, 127 owned a dog and cat and 31 had neither animal. How many students owned cats

Answer 1

add 127 and 31 so you know how many kids have dogsor neither. that makes 158. the rest are cats. so you subtract your added number by the number you started with. 200-158=42. 42 cats

Answer 2

You add 127 and 31 which gets you 158
take 200 and minus 158 and that get you the amount of cats 42