Answer :
Ann-x
Cori-3x
3x+x=124
4x=124
divide both sides by 4
x=31 now plug it in and you get
Ann-31
Cori-31×3=93
Ann spent 31$
Cori spent 93$
Cori-3x
3x+x=124
4x=124
divide both sides by 4
x=31 now plug it in and you get
Ann-31
Cori-31×3=93
Ann spent 31$
Cori spent 93$