SOLUTION: Trying to help myself and my 11 yr old daughter understand these word problems. Joseph, Brian, and Kyle spent $1,189 to buy a pc for their dad. Brian paid $148 more than Joe. Joe

Question 697716: Trying to help myself and my 11 yr old daughter understand these word problems.
Joseph, Brian, and Kyle spent $1,189 to buy a pc for their dad. Brian paid $148 more than Joe. Joe paid $399 less than Kyle. How much did Brian pay? Your help will be greatly appreciated...
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
I always assign letters to the unknowns fight away
Let = amount in dollars that Joseph paid
Let = amount in dollars that Brian paid
Let = amount in dollars that Kyle paid
--------------------------------------
given:
(1)
(2)
(3)
-----------------
Substitute (2) into (1)
(1)
and
(3)
(3)
Substitute (3) into (1)
(1)
(1)
(1)
(1)
and, since
(2)
(2)
(2)
and
(3)
(3)
(3)
Brian paid $362
check:
(1)
(1)
(1)
OK

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