Question

On a 3-week vacation to Paris, Martha's expenses for food, gifts, and accommodations was $80 less than three times her airfare. If the total expenses for the trip was $2660, how much was her airfare?

Answer 1

Let airfare be x. Therefore other.expenses =3x-80 A/q,x+3x-80=2660.....,4x=2740...x=$685(ans)