Wednesday

October 22, 2014

October 22, 2014

Posted by **jakkie j** on Friday, July 31, 2009 at 3:44am.

- math -
**drwls**, Friday, July 31, 2009 at 5:20amL = 3D

D = C + 5

L + 18 = 2(C +18)

First eliminate one of the variables. I will use the first two equations to eliminate D.

L = 3(C+5) = 3C + 15

L = 2C + 18

Those two equations tell you, by setting 2C + 18 = 3C + 15, that

C = 3; so L = 24

D = 8.

**Answer this Question**

**Related Questions**

math - i never can do word problems....please help... i got 7 of them.....these ...

9th grade math word problems - i never can do word problems....please help... i ...

math - A. Brad is 12 years older than Sam . If Brad were 8 years older than he ...

algebra - A person is 3 times as old as aonther person but in 15 years she will ...

math - A. John is now 10 years older than Marcus. Three times John's age 5 years...

Math - In five years,Emma will be three years more than twice as old as her son...

Math - 2x represents that Clyde is twice (2 times) as old as Bonnie. 6 years ...

Maths - Fred is 10 yrs older than Ted. In 3 yrs time Fred will be 3 times as old...

Maths - Greg and Martin's age when added together come to a total of 60 years. ...

math 7 - Nila is now x years old. Three yrs ago, her brother ricky was twice as ...