14a^2bc^4/21abc^6 = 2a/3b^2
ABC = XYZ by SAS
AB = XY - Side
A = X - Angle
So you want to find another congruent <em>side</em>.
Removing the taken possible side, two sides can be congruent.
Either :
BC = YZ
<em>OR</em>
AC = XZ
Well for starters 10% of 120$ is 12$. 120+12=134...
This means 140 - 134=6
Answer: $6 of change
