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x+x+55+x+38=180
3x+93=180
3x=87
x=29°
It would be C. The cost 1.5 pounds of meat is $9.00
Answer:
16 problems.
Step-by-step explanation:
100% divided by 20 questions.
100/20 is equal to 5, therefore each question is worth 5 points.
Grade of 80% divided by points per question.
80/5 is 16 so the student answered 16 questions correctly.
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