SOLUTION: Jason answered 12 questions correctly on a test worth 150 points. Each question was worth 10 points. What percent did Jason earn on the test?

Algebra ->  Test -> SOLUTION: Jason answered 12 questions correctly on a test worth 150 points. Each question was worth 10 points. What percent did Jason earn on the test?      Log On


   

Question 1171099: Jason answered 12 questions correctly on a test worth 150 points. Each question was worth 10 points. What percent did Jason earn on the test?
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

Jason answered 12 questions correctly on a test worth 150+points. Each question was worth 10+points
so, there was 150%2F10=15+ questions
%28x%2F100%2915=12
%283x%2F20%29=12
3x=12%2A20
x=%2812%2A20%29%2F3
x=%28cross%2812%294%2A20%29%2Fcross%283%29
x=4%2A20
x=80 % Jason earned on the test