Question

[shir]

 Tính y : y x 27 + y x 30 + y x 43 = 210 500

Answer 1

[ILoveMath]

\(y\times27+y\times30+y\times43=210500\\ \Rightarrow y\times\left(27+30+43\right)=210500\\ \Rightarrow y\times100=210500\\ \Rightarrow y=210500:100\\ \Rightarrow y=2105\)