6. Find x, then find the m< DBC

Please help, thank you!

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale

The trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? a) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2

I’m not sure about what the answer is