E = D + 8
.75E/(D+.25E) = 5/7
Substitute D+8 for E in second equation and solve for D. Insert that value into the first equation and solve for E. Check by inserting both values into the second equation.
E/4 = ?
ethan had $8 more than dakota. ethan then gave 1/4 od hia money to dakota. the ratio of money ethan had to the money dakota had then became 5:7. howmuch money did ethan give to dakota
4 answers
took me 7 years to figure this out... but the answer in $10
$10
noice