SOLUTION: The difference between two numbers is 10. If the numbers are doubled, what is the difference between them?

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: The difference between two numbers is 10. If the numbers are doubled, what is the difference between them?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 172133: The difference between two numbers is 10. If the numbers are doubled, what is the difference between them?
Found 3 solutions by stanbon, solver91311, Mathtut:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The difference between two numbers is 10. If the numbers are doubled, what is the difference between them?
----------------------------
If x-y = 10
then 2x -2y = 20
=======================
Cheers,
Stan H.

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!
One number is x and the other is y. The problem states that the difference is 10, so x-y=10. But if you double the numbers, you have to double the difference as well in order for the equation to remain a true statement.

2x-2y=20.


Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
a-b=10.....eq 1
:
2a-2b=?....eq 2
:
2(a-b)=? distribution property
2(10)=20 substitute eq 1's value