Tuesday

March 3, 2015

March 3, 2015

Posted by **rafael** on Tuesday, November 15, 2011 at 9:18am.

- math -
**Lee**, Wednesday, November 16, 2011 at 12:37amMary is 14 and Peter is 23

To figure out Peter's age:

x=Peter's age

2/3(x-2)= 1/2(x+5) solve for x

2/3x - 4/3 = 1/2x + 5/2

2/3x-1/2x = 5/2+4/3

4/6x-3/6x=15/6+8/6

1/6x=23/6

X=23/6 / 1/6

X=23

**Answer this Question**

**Related Questions**

Math - Mary's age is 2/3 that 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 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) ...

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

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

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 ...

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

math - In ten years Mary will be 5 years less than twice as old as she is now. ...