SOLUTION: Sam has scores of 60,55,65,75 on his first four algebra exams. What must he earn on the fifth exam to receive a grade of 70% or higher at the end of the semester?

Question 1111655: Sam has scores of 60,55,65,75 on his first four algebra exams. What must he earn on the fifth exam to receive a grade of 70% or higher at the end of the semester?
Found 2 solutions by Alan3354, math_helper:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Sam has scores of 60,55,65,75 on his first four algebra exams. What must he earn on the fifth exam to receive a grade of 70% or higher at the end of the semester?
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To average 70, (60+55+65+75 + S)/5 = 70 --- S = Score
255 + S = 350
S = 95

Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
Sam is going to step it up in order to elevate his average to a 70%:

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