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Susan has four 20 point projects for math class. Susan’s scores on the first three projects are 18, 15, and 16. What score does Susan need to earn on project #4 to earn an 85% total average?
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Susan has four 20 point projects for math class. Susan’s scores on the first three projects are 18, 15,

and 16.

What score does Susan need to earn on project #4 to earn an 85% total average?

User ArBR
by
7.6k points

1 Answer

4 votes

Answer:

Explanation:

17*4=68

68-18=50

50-15=35

35-16=19

19

User Erinus
by
7.8k points
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