Question

[SóiCôĐơnZ]

y x 25 + y x 75 = 2500

Answer 1

[Nguyễn Ngọc Khánh Huyền]

\(\Rightarrow y\times\left(75+25\right)=2500\)
\(\Rightarrow y\times100=2500\)
\(\Rightarrow y=2500:100\)
\(\Rightarrow y=25\)