Answer: The required number of ninths needed is 3.
Step-by-step explanation: We are given to find the number of ninths that will after combining together make the amount as 
Let, 'n' be the required number of ninths.
Then, according to the given information, we have

Therefore, required number of ninth needed is 3.
Thus, the answer is 3.
Answer:
0.0008
Step-by-step explanation:
divide 0.08 by 100
answer is 0.0008
Answer:
<h2>Center: (0, 0), Radius: √2</h2>
Step-by-step explanation:
The equation of a circle in standard form:

(h, k) - center
r - radius
We have the equation:

Convert to the standard form:

Answer:
5/8
Step-by-step explanation: if the common denominator is 8 than that has to be the bottom of the fraction
Answer:
$27 per book
Step-by-step explanation:
258 - 9(books) = 15
258-15 = 243
243 / 9=27