Answer:
25%
Step-by-step explanation:
20/80 = 2/8 = 1/4
1/4 = 0.25
0.25 x 100 = 25
so 25%
Answer:SAS
Step-by-step explanation:Similar triangles are easy to identify because you can apply three theorems specific to triangles. These three theorems, known as Angle - Angle (AA), Side - Angle - Side (SAS), and Side - Side - Side (SSS), are foolproof methods for determining similarity in triangles.
Answer:
16.66pound
Step-by-step explanation:
roughly 16.66 pound
if in 6 years it become half which is =10
then 10÷6= 1.67
then 1.67 pound is decayed every year.
in 2 years it decay 1.67×2= 3.34
so , the remaining is 20-3.34=16.66pound
I think that equation might have no solution
