Wednesday

October 1, 2014

October 1, 2014

Posted by **Vince** on Monday, May 31, 2010 at 2:47pm.

- Math -
**MathMate**, Monday, May 31, 2010 at 8:50pmLet P=peter's age, and

M=Mary's age.

M=(2/3)P.... (1)

Two years ago, Mary's age was M-2, and it was what Peter's age*will*be in 5 years time (P+5)/2

Therefore

M-2 = (P+5)/2

Substitute M from (1)

(2/3)P-2 = (P+5)/2

Solve for P to get P=27, and M=18

**Answer this Question**

**Related Questions**

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

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

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 ...

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

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

algebra - if mary's age is x years.what will be the present age of mary's niece ...

math - Mary and Peter had a total of Rs 480.After Peter spent Rs 20, he had 3 ...

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

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