SOLUTION: a student answered 60% of the questions on a math exam correctly. If she answered 24 problems correctly, how many questions were on the exam?

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: a student answered 60% of the questions on a math exam correctly. If she answered 24 problems correctly, how many questions were on the exam?      Log On


   

Question 853837: a student answered 60% of the questions on a math exam correctly. If she answered 24 problems correctly, how many questions were on the exam?
Found 2 solutions by dkppathak, chndnbl:
Answer by dkppathak(439) About Me  (Show Source):
You can put this solution on YOUR website!
let total question are x
60% of x =24
60x/100=24
6x/10=24
6x=240
x=240/6
x=40
Answer total question were 40

Answer by chndnbl(31) About Me  (Show Source):
You can put this solution on YOUR website!
Question 100% ---60%answered
? ----24answered
=(100*24)/60 =40 questions