THE CORRECT ANSWER IS (D). YOU CAN SOLVE THIS PROBLEM BY SETTING U...

25. The correct answer is (D). You can solve this problem by setting up and solving a

system of two equations in two variables (let c and d equal the number of cats and dogs,

respectively):

c

d 5 5

6

d 5 c 1 8

Substitute c 1 8 for d in the first equation, then solve for c:

c 1 8 5 5

6c 5 5c 1 40

c 5 40

Hence, d 5 48, and the total number of boarded cats and dogs is 88.