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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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19 votes
19 votes
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 Kiyarash
by
3.2k points

1 Answer

13 votes
13 votes

Answer:

Explanation:

17*4=68

68-18=50

50-15=35

35-16=19

19

User Hayward Oblad
by
2.5k points
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