There are 64 biscuits in a deluxe box which is 40% more than a plain box . How many are in the plain box ?

The deck that kenneth is building is in the shape of a parallelogram abcd the measure of angle c is one third the measure of angle b find the measure of each angle of the deck

How far could you drive on 50 gallons of gas

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.