Answer:

Step-by-step explanation:
divide each term by 2y^3
Multiply through by the least common denominator.
Answer: 10 days
<u>Step-by-step explanation:</u>
Mike: 
Jed: 
Erick: 
Together:
+
+
= 1
60
+
+
= 1)
2x + 3x + x = 60
6x = 60
x = 10
Answer:
Inital height is 20
Step-by-step explanation:
h= (-5x-5)(x-4)
h= -5x^2+15x+20