Answer:
At least 9 hours.
Explanation:
Dan already has $400 from the car-wash
So our equation is
400 + 15x > 520
X = hours of dog walking
First, you need to isolate 15x
So
-400 -400
15x > 120
Then you divide both sides by 15, so
X > 8
Dan has to work at least 9 hours of dog walking to get more than 520
by looking at they way the person acts
u should have learnt it at elementary school
Explanation: it will be 3,and 5
Worked
Penelope threw the first snowball, so Andrew decided to throw one back.
C
All the words are positive.