Question 140751
let s="student wins" and c="computer wins"


"A student playing a computer chess game gets 5 points every time he wins a round" __ 5s


"The computer gets 3 points every time it wins a round" __ 3c


"They play 64 rounds" __ s+c=64 __ s=64-c


"end with a tied score" __ 5s=3c


substituting __ 5(64-c)=3c __ 320-5c=3c __ 320=8c __ 40=c