解：设花布为x元，白布为3/4x元。则
2x + 3/4x×5 = 46
8x + 15 x =184
23x =184
x =8
花布1米8元；白布1米6元。
假设花布每米的价格为X，则：2X+5*0.75*X=46，得出X=9.6842105263，0.75X=7.2631578947
