Answer:
$63
Step-by-step explanation:
they made 67.5$
82.5÷5.5 is 15 15×4.50 would be 67.5
4 angles = 360
120 + 117 +55 = 292
360-292 = 68
4th angle = 68 degrees
5th grade mean - 4.67
7th grade mean - 3.46
5th-grade median - 5
7th-grade median - 3.5
The answer is C, Step 3: He should have divided both sides by -7.
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4
Each mix of numbers and letters that is separated by a + or a - is a term.