Answer:
<h2>x = 5</h2><h2>OB = 36</h2><h2>BE = 54</h2>
Step-by-step explanation:
We know that the medians of the triangle divides in a ratio of 2:1. Therefore we have the equation:
<em>cross multiply</em>
<em>use distributive property a(b + c) = ab + ac</em>

<em>add 9 to both sides</em>
<em>subtract 4x from both sides</em>
<em>divide both sides by 5</em>



Answer:
40.90
Step-by-step explanation:
I do not know what pen is but if it is dollars then....
Answer:
0.7x/0.8y = x/y * 0.7/0.8 = x/y * 0.875
So the fraction is reduced by 12.5%
Answer:
34.75x
Step-by-step explanation:
I believe the answer is 5 because if however many times you can multiply 2.5 into 12.5, you get the answer of 5.