SOLUTION: Hello:
I am trying to solve this problem, but i am having a hard time setting up the equation. if you can help me that would be great.
Alex is 8 years younger than his sister.
Algebra.Com
Question 203207: Hello:
I am trying to solve this problem, but i am having a hard time setting up the equation. if you can help me that would be great.
Alex is 8 years younger than his sister. His mother is 6 years more than twice of his sister’s age. His mother is 42 years old.
Find the ages of Alex and his sister.
Found 2 solutions by rfer, ankor@dixie-net.com:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Alex is 8 years younger than his sister.
His mother is 6 years more than twice of his sister’s age.
His mother is 42 years old.
Find the ages of Alex and his sister.
:
Let a = Alex's present age
Let s = sister's present age
:
Write an equation for each statement:
"Alex is 8 years younger than his sister."
a = s-8
:
"His mother is 6 years more than twice of his sister’s age. His mother is 42 years old."
2s + 6 = 42
2s = 42 - 6
2s = 36
s =
s = 18 is the sisters age
:
I'll let you find Alex's age
:
RELATED QUESTIONS
Two cars leave Richmond, Va. at the same time. They travel in opposite directions,... (answered by checkley79)
I am having a hard time setting up two equations for this word problem: A shopkeeper has (answered by bucky)
I am trying to help a homeschooled student with algebra. We are stumped on a problem.... (answered by elima)
I am having a hard time trying to solve this equation 9t-8t=7 Please... (answered by antsinmypants)
I have a log question... I am having a hard time setting up this problem... please help... (answered by stanbon)
Hello,
I am having a hard time trying to solve this system of eqaution. I hope you can (answered by Alan3354)
Solve the equation by completing the square: x^2 + 8x = 14
can someone help me please... (answered by josmiceli)
I am having a hard time trying to solve this problem, if anyone could help me step by... (answered by vleith,checkley77,josmiceli)
Find the dimensions of a rectangle if the area equals 100 and the proportion is 4:3.... (answered by josmiceli)