Gọi số gạo ba kho A,B,C lần lượt là a,b,c(tấn)
Áp dụng tính chất dãy tỉ số bằng nhau:
\(\frac{a}{2}=\frac{b}{3}=\frac{c}{4}\)\(=\frac{3a}{6}\)\(=\frac{3a-c}{6-4}\)\(=\frac{3}{2}\)
\(a=\frac{3x2}{2}\)\(=3\)(tấn)
\(b=\frac{3x3}{2}\)\(=\frac{9}{2}\)\(=4,5\)(tấn)
\(c=\frac{3x4}{2}\)\(=6\)(tấn)
=>Số gạo mỗi kho là:a=3 tấn
b=4,5 tấn
c=6 tấn
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