Answer:
Step-by-step explanation:
i dont know the exact answer ..but i know that the hours would be a larger number and first you need to find out how many ours 1 pump takes so you do 3 divided by 7 which on the calculator its 0.4...
after this you times it but i dont know by what
Answer:
-27x³
Step-by-step explanation:
Answer:


Step-by-step explanation:
We need to simplify

We collect LCM to get;

Therefore:

Also we need to simplify:

We collect LCM to get;

Therefore

Answer:
<h2>
<u>x = 20</u></h2>
Step-by-step explanation:
z = 20
y = 54
w = 54