AMC 10 Step by Step
2006 AMC 10AProblem 3P1-10~1 minPrint

The ratio of Mary's age to Alice's age is 3:53:5 . Alice is 3030 years old. How old is Mary?

Log in to save your progress.

Similar problems

Problem © Mathematical Association of America (MAA), American Mathematics Competitions. Reproduced for non-commercial educational use. Solution and commentary are original to this site. Also appeared as 2006 12A #3.