Answer:
He needs to walk the dog 3 times as 3 times 4 = $12
Step-by-step explanation:
you can solve it using quadratic formula
w=5-2 √6 or w=5+ 2√6
21.3
Delta math answer.
x = 45
180 = (2x + 45) + x
135 = 2x + x
135/3 = 3x/3
45 = x