Question

tìm Y 

6,5 x Y + 3,5 x Y =30

Answer 1

\(=>y=30:\left(6,5+3,5\right)=30:10=3\)

Answer 2

\(Y x ( 6.5+3.5) = 30\)

\(Y x 10 = 30\)

\(Y = 30:10\)

\(Y = 3\)

Answer 3

6.5 x Y +3.5 x=30

(=) 10Y =30

(=)Y=3