Saturday

July 26, 2014

July 26, 2014

Posted by **Michael** on Monday, November 7, 2011 at 6:40pm.

- Mathematics -
**declan**, Monday, November 7, 2011 at 7:36pmLet Mary=Y Peter=X

Mary is 2/3 Peter's age therefore:

Y =2/3X

two years ago..mary was 1/2 peter's age in 5 years..we write the equation as:

(Y) -2 = 1/2(x+5)

substitute Y=2/3X

2/3X - 2 = 1/2x + 5/2

solve for X

X=27.....therefore Y=18

**Related Questions**

Math - Mary's age is 2/3 that of peter's. Two years ago Mary's age was 1/2 of ...

MAth grade 8 - mary's age is 2/3 of peter's. Two years ago mary's age was 1/2 of...

math - mary's age is (2\3) that of peter's .two years ago mary's age was (1\2) ...

math - Mary's age is 2/3 that of peter's. two years ago mary's age was 1/2 of ...

Mathematics-please help quick!! - Harry is twice as old as Doyle. Doyle's age is...

Math - Mary is as old as Mario will be when Mary is twice as old as Mario was ...

math - A. A woman was 30 years old when her daughter was born.Her age is now 6 ...

maths - On 1 Jan 2007, Peter celebrates his 30 year old birthday. As a birth ...

Algebra - One half of Heather's age two years from now plus one third of her age...

Algebra (Age Problem) - Five years ago Rico's age was half of the age he will be...