SOLUTION: A chess champion played in a 2 week tournament. At the end of the tournament she'd lost 4 more matches that she'd won. If she lost 60% of her matches, how many matches did she play

Question 171442: A chess champion played in a 2 week tournament. At the end of the tournament she'd lost 4 more matches that she'd won. If she lost 60% of her matches, how many matches did she play? Hint: 60% = 3/5
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
lets call W # of wins and L-# of losses. lets call the Total matches T
:
L=W+4--->L-W=4...eq 1
:
we know that 60%(.6)T=L and we know that 40(.4)T=W..eq 2,3
:
lets take values W and L from eq 2,3 and plug them into eq 1
:
.6T-.4T=4
:
.2T=4
:
total matches played

RELATED QUESTIONS
A chess champion played in a two-week tournament. At the end of the tournament she had... (answered by Mathtut)

At a tennis tournament, each player played each other player one time. At the end of the (answered by ikleyn)

The Scrabble tournament is designed such that the losers of each round are eliminated... (answered by ikleyn)

in a singles tennis tournament, 111 players participated. when a player lost one match,... (answered by scott8148)

A and B play 12 games of chess of which 6 are won by A, 4 are won by B, 2 ends in a draw. (answered by Fombitz)

The NCAA Men�s Division I Basketball Championship Tournament, often referred to as March... (answered by Boreal)

In a round-robin chess tournament, each player is paired with every other... (answered by jim_thompson5910,ikleyn)

1. A and B play 12 games of chess of which 6 are won by A,4 are won by B and two ends in... (answered by ewatrrr,ikleyn)

A total of 129 players entered a single-elimination handball tournament. In the first... (answered by 303795)