Question 174566
lets call how far bill, mike, and pete ran in a week b,m, and p respecitively
:
m=b+8.......eq 1
p=3b-1......eq 2
p=m+15......eq 3
:
plug m's value of b+8 from eq 1 into eq 3
:
p=b+8+15---->p=b+23........take this value of p and plug it into eq 2
:
b+23=3b-1
:
2b=24
:
{{{highlight(b=12)}}}km run by Bill