Answer:60 %
Step-by-step explanation:
<h3>if we set up an proportion,

=

the answer is 60. </h3><h3>100x12=1200</h3><h3>1200 divded by 20 =60</h3>
Answer:
a. is 3
Step-by-step explanation:
(1/3)* (6+3) = 3
Answer:
(0 + m)/2, (0 + n)/2.
Step-by-step explanation:
The x coordinate of the midpoint must be halfway between the x coordinates of A and B, and the y coordinate must be found in the same way.
So the midpoint is (0 + m)/2, (0 + n)/2.