The cost of instruments used in a reconstruction job is $65.70. this is a reduction from its original cost of $82.13. what is the percent decrease in the cost of instruments to the nearest percent?

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

Ithink the answer is d.