Question

y+y:0,5+y:0,125=15               

Tìm y

Answer 1

\(y+y:0,5+y:0,125=15\)

\(\Rightarrow y:1+y:0,5+y:0,125=15\)

\(\Rightarrow y:\left(1+0,5+0,125\right)=15\)

\(\Rightarrow y:1,875=15\)

\(\Rightarrow y=15.1,875\)

\(\Rightarrow y=28,125\)

Answer 2

Bài khó quá ha

Answer 3

y+y:0,5+y:0,125=15

y:(1+0,5+0,125)=15

y:1,625=15

y=15x1,625

y=24,375