60% if there are only 10 white and black balls
Answer:
314
Step-by-step explanation:
the formula to get the area of a circle is
pi=3.14 and r=10
do you get 3.14 x 
3.14 x 100
314
This question’s answer is no solution, unless there was a typo. If there was, comment, and i’ll Answer it!
Answer:
300%
Step-by-step explanation:
Given

Required
Find the percentage change in y when x decreased by 50%
First, convert to equation

Where k is the constant of proportionality
When x decreased by 50%



Expand

Substitute
for y



The percentage change is then calculated as:





<em>The percentage in y is 300%</em>
Answer:
Both the answers will be B