Answer: a) 110 b) 92
Explanation:
Since we have given that
Percentage of animals not to climbing on furniture = 43%
Percentage of animals not to clawing on furniture = 29%
Percentage of animals not to fighting with other animals training cats = 17%
If the number of cat owners = 255
Number of owners trained their cat not to climb on furniture is given by

If the number of cats owners = 316
Number of owners trained their cat not to claw on furniture is given by

Hence, a) 110 b) 92