Answer:
7 dogs
Step-by-step explanation:
$30/3 = how many dollars per dog
$10 per dog he washes
$70/$10 = 7, he washes 7 dogs
30/3 = 10$ per dog
70/10 = 7 dogs
graph 1 proportional
graph 2&3 is non proportional
i think
40
the answer would be B, 105. -12,-3,6,15,24,33,42,51,60,69,78,87,96,105
