Answer:
y=x
Step-by-step explanation:
Suppose the cost of blue shirt is y and cost of yellow shirt is x then y=x
The two similar triangles are triangle BXY and triangle BAC. Since line XY is parallel to segment AC, angle BXY is congruent to angle A, and angle BYX is congruent to angle C. Since two corresponding angles are congruent, we use one of our similarity conjectures, Angle-Angle, to show these triangles are congruent.
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Hope this helps!
The answer is B, because 0.06*45000 + 0.08(51000-45000) = 3,180
