SOLUTION: a number is twice another number. if their sum is48 find the numbers.

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: a number is twice another number. if their sum is48 find the numbers.       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 175345: a number is twice another number. if their sum is48 find the numbers.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Call the first number A and the second number B.
Change words into mathematical equations and solve.
.
.
.
"a number is twice another number"
1.A=2%2AB
"their sum is 48"
2.A%2BB=48
Substitute eq. 1 into eq. 2 and solve for B.
2.A%2BB=48
%282B%29%2BB=48
3B=48
B=16
Use eq.1 to solve for A.
1.A=2%2AB
A=2%2A16
A=32
Your two numbers are 32 and 16.