Gọi 4 tấm vải lần lượt là a,b,c,d (a,b,c,d thuộc N*) (m)
Theo bài ra ta có: \(a-\frac{1}{3}a=b-\frac{1}{4}b=c-\frac{1}{2}c=d-5\)
\(\Rightarrow\frac{2}{3}a=\frac{3}{4}b=\frac{1}{2}c=d-5\)
\(\Rightarrow\frac{2a}{3.6}=\frac{3b}{4.6}=\frac{c}{2.6}=\frac{1}{6}\left(d-5\right)\)
\(\Rightarrow\frac{a}{9}=\frac{b}{8}=\frac{c}{12}=\frac{d-5}{6}=\frac{a+b+c+d-5}{9+8+12+6}=\frac{110-5}{35}=\frac{105}{35}=3\)
\(\Rightarrow\frac{a}{9}=3\Rightarrow a=27\)
\(\frac{b}{8}=3\Rightarrow b=24\)
\(\frac{c}{12}=3\Rightarrow c=36\)
\(\frac{d-5}{6}=3\Rightarrow d-5=18\Rightarrow d=23\)
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