Posted by Anonymous on Tuesday, December 8, 2009 at 4:26pm.
the two numbers are 1.5 and 2.4
a+b=3.9
a-b=0.9
a=0.9-b
subbing in the second formula into the first
0.9+b+b=3.9
2b=3.0
b=1.5
a+1.5=3.9
a=2.4
Thank you Bob!
Related Questions
Math -- 6th Grade - The sum of two decimal numbers is 5.3. Their difference is 1...
6th grade - the sum of two decimal numbers is 5.3. their difference is 1.7 and ...
math - the sum of two decimal numbers is 5.3. their difference is 1.7 and there ...
6th grade - the sum of two decimals numbers is 3.9. Their diffrence is 0.9, and ...
math - Mr burr the head custodian is working on putting new numbers on 42 of the...
1st grade math - The sum of two numbers is 16. The difference between the two ...
math-word problems with quadratics - I have 5 questions... 1) The sum of two ...
Math - When factoring a trinomial that is in the format Ax^2 + Bx + C, the ...
math - The sum of two decimal numbers is 5.3. Their differences is 1.7, and ...
math - the sum of two decimal numbers is 3.9. their difference is 0.9, and their...
For Further Reading