# SOLUTION: A student gets an 86% on one test and 73% on the second test. What does the student need to get on the third exam to stay at a B (83%)?

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 Click here to see ALL problems on Miscellaneous Word Problems Question 193745: A student gets an 86% on one test and 73% on the second test. What does the student need to get on the third exam to stay at a B (83%)? Found 3 solutions by Mathtut, user_dude2008, stanbon:Answer by Mathtut(3670)   (Show Source): You can put this solution on YOUR website!(.86+.73+x)/3=.83 : 1.59+x=2.49 : x=.90 : .9(100)=90% is needed Answer by user_dude2008(1861)   (Show Source): You can put this solution on YOUR website!A student gets an 86% on one test and 73% on the second test. What does the student need to get on the third exam to stay at a B (83%)? (86+73+x)/3>=83 (159+x)/3>=83 159+x>=83(3) 159+x>=249 x>=249-159 x>=90 Ans: Student needs 90% or better. Answer by stanbon(57246)   (Show Source): You can put this solution on YOUR website!A student gets an 86% on one test and 73% on the second test. What does the student need to get on the third exam to stay at a B (83%)? ------------------ Let 3rd exam score be x%. Equation: (83 + 73 + x)/3 = 83 156 + x = 249 x = 93 --------------- The student will need 93% on the 3rd exam. ------------------ Cheers, Stan H.