SOLUTION: Morgan was very pleased with a 10% improvement on her second SAT attempt. She got 1100 on her second try. What was her first score?
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Question 595935: Morgan was very pleased with a 10% improvement on her second SAT attempt. She got 1100 on her second try. What was her first score?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Morgan was very pleased with a 10% improvement on her second SAT attempt. She got 1100 on her second try. What was her first score?
.
Let x = first score
then
x + .10x = 1100
x(1+.10) = 1100
x(1.10) = 1100
x = 1000
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