Question 729099
Hint:


d = # of dogs
p = # of people


"She counted 16people and dogs combined" ----> d+p = 16 ----> d = 16 - p



"...and 38 legs" ----> 4d + 2p = 38



4d + 2p = 38


4(16-p) + 2p = 38


64 - 4p + 2p = 38


I'll let you finish