SOLUTION: Willis bought a shirt and necktie for $85. The shirt cost $15 more than the tie. Find the cost of each. x+x=$85

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Willis bought a shirt and necktie for $85. The shirt cost $15 more than the tie. Find the cost of each. x+x=$85       Log On


   

Question 179659This question is from textbook Intermediate Algebra
: Willis bought a shirt and necktie for $85. The shirt cost $15 more than the tie. Find the cost of each.
x+x=$85
 This question is from textbook Intermediate Algebra

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
let x be the cost of the shirt and y be the cost of the tie
:
x=y+15........eq 1
x+y=85........eq 2
:
take x's value from eq 1 and plug it into eq 2
:
(y+15)+y=85
:
2y=70
:
$highlight%28y=35%29cost of tie
:
$highlight%28x=35%2B15=50%29cost of shirt