Saturday

December 20, 2014

December 20, 2014

Posted by **Anonymous** on Tuesday, February 14, 2012 at 12:47am.

- Algebra -
**Bosnian**, Tuesday, February 14, 2012 at 1:35ama = age of the twins

b = age of the third child

b = a - 3

a + a + b = 42

2 a + b = 42

2 a + a - 3 = 42

3 a - 3 = 42

3 a = 42 + 3

3 a = 45 Divide both sides by 3

a = 45 / 3

a = 15

b = 15 - 3

b = 12

- Algebra -
**Anonymous**, Wednesday, May 23, 2012 at 5:35pmthe first of two films lasted 9 minutes less than twice as long as the second. the combined length of the two films plus a 5-minute break between them was 260 minutes. how long was the first film?

- Algebra -
**Minecraft is Amazing**, Friday, October 26, 2012 at 11:24pmx + 2x - 9 + 5 = 260

3x - 4 = 260

3x = 264

x = 88

**Answer this Question**

**Related Questions**

algebra - Twins Diana, and Riana are each 6 years older than their younger ...

6th grade - There are five children in the family. Each child is three years ...

math problem - - Mr. Hermann, a stamp collector , sold 2 stamps for $5000 each. ...

math - there Are four children in a family, the sum of the squares of the ages ...

grammar - The ball belonging to the twins. The twin's ball Is the possesive noun...

problem of the week - there are three children in the mocks family. the sum of ...

Math - In the Ambrose family, the ages of the three children are three ...

statistics - There are four children of dierent ages in a family. Their mom ...

Science - We are doing a science fair and we are unsure of what our aim/...

Physic Help!!!! - I need help with ONE PROBLEM but it's really long. Can some ...