Christy rhodes sells makeup and gift items. she earns a 15 percent commission on her first $500 worth a sales. 25 percent on the next $1,500 in sales, and 50 percent on all sales exceeding $2,000. for this campaign, christy sold \$2.250 worth of makeup and gift items. what is christy's total graduated commission ?

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ok

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cluster sampling.

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alright so i think for this one it would to draw it out. this may be hard for me to try and draw, but i will do my best on here:

        r

  /       |     \

notice how it forms 2 triangles inside one bigger triangle.

so if we know the angle spr is the same as psr that is saying the measure of angle p is the same as angle s. this means the big triangle psr is either isosceles or equilateral. in both cases, the triangle is perfectly symmetrical when split down the middle, which is in this case rq. because we know it is perfectly symmetrical on both sides, we know that the two triangles inside the bigger one are equal.